spectraladj.

/ˈspɛktrəl/

Etymology: < Latin type *spectrālis , < spectrum spectre n. and spectrum n. So modern French spectral.

†1. Capable of seeing spectres. Obsolete.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [adjective] > able to see ghosts

spectral1718

1718 F. Hutchinson Hist. Ess. conc. Witchcraft v. 81 Joseph Ballard..sent to Salem, for some of these Accusers, who pretended to have the spectral Sight, to tell him who afflicted his Wife.

a. Having the character of a spectre or phantom; ghostly, unsubstantial, unreal.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [adjective]

fantastic1483

fantasticalc1485

spectrical1609

sprightlya1616

spectrene1652

spectrous1652

shadowy1681

visionary1697

ghostly1753

faerie1767

spectry1796

spectral1816

spectrish1822

apparitional1824

phantasiastic1830

spooky1854

astral1877

the world > existence and causation > existence > substantiality or concreteness > unsubstantiality or abstractness > [adjective] > unsubstantial or merely apparent

shadowy1374

phantom?c1450

shadowish1561

dreamish1563

fleshlessa1592

dreamya1594

shadowed1597

unreal1605

phantasmatic1607

dreamlike1615

umbratilous1637

phantasmatical1642

umbratile1647

moonshine1668

phantomical1687

visionary1697

faerie1767

filmlike1804

phantasmal1805

spectral1816

moonshiny1821

phantomatica1834

parheliacal1852

phantomic1878

translunar1927

celluloid1928

1816 P. B. Shelley Alastor 18 The mountaineer, Encountering on some dizzy precipice That spectral form.

1819 W. Scott Bride of Lammermoor xii, in Tales of my Landlord 3rd Ser. I. 317 Some of the spectral appearances which he had heard told of in a winter's evening.

1853 E. K. Kane U.S. Grinnell Exped. (1856) xxxiv. 307 The setting sun..gave us again the spectral land about Cape Adair, eighty miles off.

1877 W. Black Green Pastures xlii We saw through a window a wild vision of a pair of spectral horses apparently in mid-air.

figurative.1829 I. Taylor Nat. Hist. Enthusiasm viii. 191 A spectral resemblance of piety, unsubstantial and cold as the mists of night.1837 C. Dickens Pickwick Papers xxiv. 243 A spectral attempt at drollery.in combination.1840 A. M. Hall Irish Peasantry (1850) 138 A lean, spectral-looking gray horse..limped towards them.1868 A. K. H. Boyd Lessons Middle Age 315 A mile or two down,..tall and spectral-white, stands the Cloch lighthouse.

b. Resembling, looking like, suggestive of, a spectre or spectres. Also spec. in Zoology.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [adjective] > resembling a ghost

ghost-like1573

spectred1791

ghostish1801

spectral1828

phantomish1832

wraith-like1865

ghosty1866

revenant1897

wraithly1909

1828 E. Bulwer-Lytton Pelham I. xviii. 140 The spectral secretary of the legation.

1843 A. Bethune Sc. Peasant's Fire-side 110 That species of erect tombstone, which some one has somewhere designated ‘spectral’.

1851 J. Ruskin Stones of Venice I. App. viii. 366 The old spectral Lombard friezes.

1884 E. Coues Key to N. Amer. Birds (ed. 2) 509 Strix cinerea,..Spectral Owl.

1896 H. O. Forbes Hand-bk. Primates I. 20 The Spectral Tarsier.

3. Characteristic of, appropriate to, a spectre.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [adjective] > appropriate to

spectral1821

phantomy1864

1821 Ld. Byron Marino Faliero (2nd issue) v. ii. 157 They form'd a spectral voice, Which shook me in a supernatural dream.

1852 A. Jameson Legends Madonna p. xxiv Compared with the spectral rigidity, the hard monotony, of the conventional Byzantines.

1898 T. Watts-Dunton Aylwin i. vi Crumbling cliffs, whose jagged points..had the kind of spectral look peculiar to that coast.

4. Produced merely by the action of light on the eye or on a sensitive medium.

ΘΚΠ

the world > physical sensation > sight and vision > thing seen > [adjective] > produced merely by action of light on eye

spectral1839

the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [adjective] > produced by light

spectral1839

actinic1850

photogenic1870

photoproduced1953

1839 G. Bird Elements Nat. Philos. 398 If the wafer were yellow, and placed on a black surface, the spectral image will be deep violet when viewed on a white ground; in the same manner a white wafer is attended by its black spectral figure.

a. Of or pertaining to, appearing or observed in, the spectrum. Also applied to a property or parameter which is being considered as a function of frequency or wave-length, or which pertains to a given frequency range or value within the spectrum. Cf. spectrum n. 3a, 3b.

ΘΚΠ

the world > matter > colour > [adjective] > spectrum

spectral1832

the world > matter > physics > atomic physics > decomposition of light, spectrum > [adjective]

spectral1832

the world > matter > physics > electromagnetic radiation > light > chromatism > [adjective] > of or relating to the spectrum

spectral1832

bright line1868

1832 Nat. Philos. (Libr. Useful Knowl.) II. Index 40 Spectral colours, when re-united, produce white.

1849 M. Somerville On Connexion Physical Sci. (ed. 8) xxiv. 235 A spectral image obtained by Mr. Hunt on a similar [Daguerreotype] plate.

1866 E. Atkinson tr. A. Ganot Elem. Treat. Physics (ed. 2) §480. 424 The relative distances of the different spectral lines.

1879 O. N. Rood Mod. Chromatics x. 127 By mixing three or more spectral colours no new hues were produced.

1883 19th Cent. Nov. 881 Its absorptive capacity for particular spectral tints.

1919 Sci. Abstr. A. 22 563 Section 2 considers the definition of temperature. This is based upon thermal radiation and spectral distribution.

1950 Audio Engin. Aug. 14/2 A knowledge of the spectral characteristics of sound sources will indicate the regions in the frequency scale to which particular attention must be paid in assessing the effect of response changes in the sound system.

1951 New Biol. 11 34 A spectral absorption curve, in which the proportion of light absorbed is plotted against wavelength.

1957 G. E. Hutchinson Treat. Limnol. I. vi. 376 The spectral composition of the total reflected light when the sun is high is little different from that of the incident.

1964 Oceanogr. & Marine Biol. 2 13 The turbulent fluctuations of velocity or of some other property of the water..may be observed directly, and the spectral distribution of energy..derived from the observations.

1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IV. 582/2 Any spectral emissivity value is valid only for a narrow wavelength interval.

1971 Physics Bull. July 385/2 Spectral intensity is intensity per unit bandwidth (W sr⁻¹ Hz⁻¹).

1971 Physics Bull. Nov. 653/3 An investigation of the spectral content, vibrato, attack and sound pressure of vowels sung by male and female students under technical and performing conditions.

1977 I. M. Campbell Energy & Atmosphere viii. 272 The spectral absorption characteristics of alkyl nitrates are rather similar to those of nitric acid.

b. Carried out or performed by means of the spectrum.

ΘΚΠ

the world > matter > colour > [adjective] > spectrum > performed by means of

spectral1879

the world > matter > physics > electromagnetic radiation > light > chromatism > [adjective] > of or relating to the spectrum > using the spectrum

spectral1879

1879 R. A. Proctor Pleasant Ways Sci. i. 26 The inquiry seems specially suited to the methods of spectral photography pursued by Dr. Draper.

1881 Times 11 Mar. Spectral observations on stars.

c. Mathematics. Of or pertaining to the spectrum of a transformation (spectrum n. 6).

ΘΚΠ

the world > relative properties > number > arithmetic or algebraic operations > transformation > [adjective] > of spectrum of

spectral1948

1948 P. R. Halmos Finite Dimensional Vector Spaces ii. 80 The characteristic equation, and consequently every other spectral concept such as the proper values and their multiplicities, is invariant under replacing A by BAB⁻¹.

1968 P. A. P. Moran Introd. Probability Theory iii. 118 Hence U and V are non-singular matrices, and we have P = U⁻¹ΛU = VΛV⁻¹, which is a ‘spectral’ decomposition of P.

Compounds

Special collocations.

spectral analysis n. Chemical analysis of substances by means of their spectra; analysis of light or another oscillating system into a spectrum.

ΘΚΠ

the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > spectral analysis

spectral analysis1862

1862 Amer. Jrnl. Sci. 84 404 There are few branches of science which promise more magnificent results than the spectral analysis.

1888 London, Edinb. & Dublin Philos. Mag. 5th Ser. 25 343 (heading) Mathematical spectral analysis of magnesium and carbon.

1930 Proc. IRE 18 1199 Expression (9) lends itself to spectral analysis into its component frequencies by the following process.

1978 Nature 16 Mar. 232/2 As a further step, we carried out a spectral analysis according to the techniques of Blackman and Tukey on the time series for each of our latitude bands.

spectral index n. (See quot. 1956.)

ΚΠ

1956 Observatory LXXVI. 181 The usual terminology is adopted, where the flux density S from a discrete source refers to the flux in both polarizations, and the spectral index x refers to the index in the relationship S ∝ (frequency)^x.

1967 Astrophysical Jrnl. 150 5 The average spectral index of twenty-six spirals between 40 and 21 cm is −0·83.

1974 Nature 4 Oct. 398/2 The spectral shape of the pulsed emission..can be approximated by a power law with an energy spectral index of α ∼ 1 to about a GeV.

spectral palette n. a painter's palette laid with six colours (besides white) to represent the chief colours of the spectrum.

ΚΠ

1901 D. S. MacColl in Sat. Rev. 9 Feb. 170/1 The theory of the spectral palette seems to me unsound, and its practice dangerous.

1911 D. S. MacColl in Encycl. Brit. XIV. 345/1

spectral series n. = series n. 12.

ΚΠ

1900 Sci. Abstr.: Physics & Electr. Engin. 3 465 A most useful review of the present state of knowledge respecting spectral series.

1974 G. Reece tr. F. Hund Hist. Quantum Theory iv. 61 Several attempts were made to give a theoretical interpretation of the spectral series.

spectral term n. (See term n. 14d).

spectral type n. (Astr.), any of the types used to classify stellar spectra, each being associated with stars of a characteristic range of temperatures and compositions and designated by a letter or letters.

ΘΚΠ

the world > the universe > star > star-matter > [noun] > spectrum

spectral type1890

redshift1923

space reddening1931

profile1933

1890 A. M. Clerke Syst. Stars iii. 37 About eleven-twelfths of all the stars show linear spectra of absorption. They fall into two great divisions, corresponding to Father Secchi's first and second spectral types.

1924 Proc. Amer. Acad. Arts & Sci. 59 217 If the stellar density for any spectral type were uniform throughout space, the number of stars visible should double with every increase of half a magnitude in brightness.

1973 Smith & Jacobs Introd. Astron. & Astrophysics x. 268 Since we will have occasion to refer to specific spectral types in the following paragraphs, we give the spectral sequence from hot to cool stars (40,000 K to 3000 K) here: O, B, A, F, G, K, and M. Each spectral class is further divided into ten sub~classes 0 to 9.

Derivatives

ˈspectralism n. a spectral or ghostly scene.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [noun] > ghostly scene

spectralism1851

1851 Carlyle in New Rev. (1891) Oct. 299 All dreamlike, one spectralism succeeding another.

specˈtrality n. a phantasm; ghostliness.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [noun]

soulOE

huea1000

ghostOE

fantasyc1325

spiritc1350

phantomc1384

phantasmc1430

haunterc1440

shadowa1464

appearance1488

wraith1513

hag1538

spoorn1584

vizarda1591

life-in-death1593

phantasma1598

umbra1601

larve1603

spectre1605

spectrum1611

apparitiona1616

shadea1616

shapea1616

showa1616

idolum1619

larva1651

white hat?1693

zumbi1704

jumbie1764

duppy1774

waff1777

zombie1788

Wild Huntsman1796

spook1801

ghostie1810

hantua1811

preta1811

bodach1814

revenant1823

death-fetch1826

sowlth1829

haunt1843

night-bat1847

spectrality1850

thivish1852

beastie1867

ghost soul1869

barrow-wight1891

resurrect1892

waft1897

churel1901

comeback1908

the world > the supernatural > supernatural being > ghost or phantom > [noun] > state of being

ghostliness1657

ghostism1782

ghostship1796

ghosthood1842

ghostdom1846

spectrality1850

ghostiness1874

spectralness1892

life-in-death1901

1850 T. Carlyle Latter-day Pamphlets i. 50 Traditions now really about extinct;.. still haunting with their spectralities..almost all of us!

1880 Scribner's Monthly July 326 There is about it a certain vagueness and spectrality.

ˈspectralness n. the quality or character of being spectral.

ΘΚΠ

the world > the supernatural > supernatural being > ghost or phantom > [noun] > state of being

ghostliness1657

ghostism1782

ghostship1796

ghosthood1842

ghostdom1846

spectrality1850

ghostiness1874

spectralness1892

life-in-death1901

1892 W. W. Peyton Mem. Jesus x. 285 A spectralness, which..gives you an idea of weirdness.

This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2022).

单词	spectral
释义	† spectraln. Etymology: Compare spectral adj. Obsolete. rare. An apparition; a spectre. ΘΚΠ the world > physical sensation > sight and vision > thing seen > optical illusion > [noun] > an optical illusion > vision or apparition visionc1290 fantasyc1325 imagec1350 figurec1384 beholdingc1440 semblance1489 idol1563 ghost1593 fancy1609 species1639 spectrala1656 spectre1801 eidolon1828 a1656 J. Ussher Ann. World (1658) Ep. to Rdr. Those things which I produce concerning Preesages, Spectrales, and Oracles. a1656 J. Ussher Ann. World (1658) 705 He expounded to him out of the doctrine of the Epicureans, what was to be thought concerning such spectrals. This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2021). spectraladj. /ˈspɛktrəl/ Etymology: < Latin type spectrālis , < spectrum* spectre n. and spectrum n. So modern French spectral. †1. Capable of seeing spectres. Obsolete. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [adjective] > able to see ghosts spectral1718 1718 F. Hutchinson Hist. Ess. conc. Witchcraft v. 81 Joseph Ballard..sent to Salem, for some of these Accusers, who pretended to have the spectral Sight, to tell him who afflicted his Wife. 2. a. Having the character of a spectre or phantom; ghostly, unsubstantial, unreal. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [adjective] fantastic1483 fantasticalc1485 spectrical1609 sprightlya1616 spectrene1652 spectrous1652 shadowy1681 visionary1697 ghostly1753 faerie1767 spectry1796 spectral1816 spectrish1822 apparitional1824 phantasiastic1830 spooky1854 astral1877 the world > existence and causation > existence > substantiality or concreteness > unsubstantiality or abstractness > [adjective] > unsubstantial or merely apparent shadowy1374 phantom?c1450 shadowish1561 dreamish1563 fleshlessa1592 dreamya1594 shadowed1597 unreal1605 phantasmatic1607 dreamlike1615 umbratilous1637 phantasmatical1642 umbratile1647 moonshine1668 phantomical1687 visionary1697 faerie1767 filmlike1804 phantasmal1805 spectral1816 moonshiny1821 phantomatica1834 parheliacal1852 phantomic1878 translunar1927 celluloid1928 1816 P. B. Shelley Alastor 18 The mountaineer, Encountering on some dizzy precipice That spectral form. 1819 W. Scott Bride of Lammermoor xii, in Tales of my Landlord 3rd Ser. I. 317 Some of the spectral appearances which he had heard told of in a winter's evening. 1853 E. K. Kane U.S. Grinnell Exped. (1856) xxxiv. 307 The setting sun..gave us again the spectral land about Cape Adair, eighty miles off. 1877 W. Black Green Pastures xlii We saw through a window a wild vision of a pair of spectral horses apparently in mid-air. figurative.1829 I. Taylor Nat. Hist. Enthusiasm viii. 191 A spectral resemblance of piety, unsubstantial and cold as the mists of night.1837 C. Dickens Pickwick Papers xxiv. 243 A spectral attempt at drollery.in combination.1840 A. M. Hall Irish Peasantry (1850) 138 A lean, spectral-looking gray horse..limped towards them.1868 A. K. H. Boyd Lessons Middle Age 315 A mile or two down,..tall and spectral-white, stands the Cloch lighthouse. b. Resembling, looking like, suggestive of, a spectre or spectres. Also spec. in Zoology. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [adjective] > resembling a ghost ghost-like1573 spectred1791 ghostish1801 spectral1828 phantomish1832 wraith-like1865 ghosty1866 revenant1897 wraithly1909 1828 E. Bulwer-Lytton Pelham I. xviii. 140 The spectral secretary of the legation. 1843 A. Bethune Sc. Peasant's Fire-side 110 That species of erect tombstone, which some one has somewhere designated ‘spectral’. 1851 J. Ruskin Stones of Venice I. App. viii. 366 The old spectral Lombard friezes. 1884 E. Coues Key to N. Amer. Birds (ed. 2) 509 Strix cinerea,..Spectral Owl. 1896 H. O. Forbes Hand-bk. Primates I. 20 The Spectral Tarsier. 3. Characteristic of, appropriate to, a spectre. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [adjective] > appropriate to spectral1821 phantomy1864 1821 Ld. Byron Marino Faliero (2nd issue) v. ii. 157 They form'd a spectral voice, Which shook me in a supernatural dream. 1852 A. Jameson Legends Madonna p. xxiv Compared with the spectral rigidity, the hard monotony, of the conventional Byzantines. 1898 T. Watts-Dunton Aylwin i. vi Crumbling cliffs, whose jagged points..had the kind of spectral look peculiar to that coast. 4. Produced merely by the action of light on the eye or on a sensitive medium. ΘΚΠ the world > physical sensation > sight and vision > thing seen > [adjective] > produced merely by action of light on eye spectral1839 the world > matter > physics > electromagnetic radiation > light > scientific effects of light > [adjective] > produced by light spectral1839 actinic1850 photogenic1870 photoproduced1953 1839 G. Bird Elements Nat. Philos. 398 If the wafer were yellow, and placed on a black surface, the spectral image will be deep violet when viewed on a white ground; in the same manner a white wafer is attended by its black spectral figure. 5. a. Of or pertaining to, appearing or observed in, the spectrum. Also applied to a property or parameter which is being considered as a function of frequency or wave-length, or which pertains to a given frequency range or value within the spectrum. Cf. spectrum n. 3a, 3b. ΘΚΠ the world > matter > colour > [adjective] > spectrum spectral1832 the world > matter > physics > atomic physics > decomposition of light, spectrum > [adjective] spectral1832 the world > matter > physics > electromagnetic radiation > light > chromatism > [adjective] > of or relating to the spectrum spectral1832 bright line1868 1832 Nat. Philos. (Libr. Useful Knowl.) II. Index 40 Spectral colours, when re-united, produce white. 1849 M. Somerville On Connexion Physical Sci. (ed. 8) xxiv. 235 A spectral image obtained by Mr. Hunt on a similar [Daguerreotype] plate. 1866 E. Atkinson tr. A. Ganot Elem. Treat. Physics (ed. 2) §480. 424 The relative distances of the different spectral lines. 1879 O. N. Rood Mod. Chromatics x. 127 By mixing three or more spectral colours no new hues were produced. 1883 19th Cent. Nov. 881 Its absorptive capacity for particular spectral tints. 1919 Sci. Abstr. A. 22 563 Section 2 considers the definition of temperature. This is based upon thermal radiation and spectral distribution. 1950 Audio Engin. Aug. 14/2 A knowledge of the spectral characteristics of sound sources will indicate the regions in the frequency scale to which particular attention must be paid in assessing the effect of response changes in the sound system. 1951 New Biol. 11 34 A spectral absorption curve, in which the proportion of light absorbed is plotted against wavelength. 1957 G. E. Hutchinson Treat. Limnol. I. vi. 376 The spectral composition of the total reflected light when the sun is high is little different from that of the incident. 1964 Oceanogr. & Marine Biol. 2 13 The turbulent fluctuations of velocity or of some other property of the water..may be observed directly, and the spectral distribution of energy..derived from the observations. 1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) IV. 582/2 Any spectral emissivity value is valid only for a narrow wavelength interval. 1971 Physics Bull. July 385/2 Spectral intensity is intensity per unit bandwidth (W sr⁻¹ Hz⁻¹). 1971 Physics Bull. Nov. 653/3 An investigation of the spectral content, vibrato, attack and sound pressure of vowels sung by male and female students under technical and performing conditions. 1977 I. M. Campbell Energy & Atmosphere viii. 272 The spectral absorption characteristics of alkyl nitrates are rather similar to those of nitric acid. b. Carried out or performed by means of the spectrum. ΘΚΠ the world > matter > colour > [adjective] > spectrum > performed by means of spectral1879 the world > matter > physics > electromagnetic radiation > light > chromatism > [adjective] > of or relating to the spectrum > using the spectrum spectral1879 1879 R. A. Proctor Pleasant Ways Sci. i. 26 The inquiry seems specially suited to the methods of spectral photography pursued by Dr. Draper. 1881 Times 11 Mar. Spectral observations on stars. c. Mathematics. Of or pertaining to the spectrum of a transformation (spectrum n. 6). ΘΚΠ the world > relative properties > number > arithmetic or algebraic operations > transformation > [adjective] > of spectrum of spectral1948 1948 P. R. Halmos Finite Dimensional Vector Spaces ii. 80 The characteristic equation, and consequently every other spectral concept such as the proper values and their multiplicities, is invariant under replacing A by BAB⁻¹. 1968 P. A. P. Moran Introd. Probability Theory iii. 118 Hence U and V are non-singular matrices, and we have P = U⁻¹ΛU = VΛV⁻¹, which is a ‘spectral’ decomposition of P. Compounds Special collocations. spectral analysis n. Chemical analysis of substances by means of their spectra; analysis of light or another oscillating system into a spectrum. ΘΚΠ the world > matter > chemistry > chemical assay or analytical chemistry > [noun] > acetimetry > spectral analysis spectral analysis1862 1862 Amer. Jrnl. Sci. 84 404 There are few branches of science which promise more magnificent results than the spectral analysis. 1888 London, Edinb. & Dublin Philos. Mag. 5th Ser. 25 343 (heading) Mathematical spectral analysis of magnesium and carbon. 1930 Proc. IRE 18 1199 Expression (9) lends itself to spectral analysis into its component frequencies by the following process. 1978 Nature 16 Mar. 232/2 As a further step, we carried out a spectral analysis according to the techniques of Blackman and Tukey on the time series for each of our latitude bands. spectral index n. (See quot. 1956.) ΚΠ 1956 Observatory LXXVI. 181 The usual terminology is adopted, where the flux density S from a discrete source refers to the flux in both polarizations, and the spectral index x refers to the index in the relationship S ∝ (frequency)^x. 1967 Astrophysical Jrnl. 150 5 The average spectral index of twenty-six spirals between 40 and 21 cm is −0·83. 1974 Nature 4 Oct. 398/2 The spectral shape of the pulsed emission..can be approximated by a power law with an energy spectral index of α ∼ 1 to about a GeV. spectral palette n. a painter's palette laid with six colours (besides white) to represent the chief colours of the spectrum. ΚΠ 1901 D. S. MacColl in Sat. Rev. 9 Feb. 170/1 The theory of the spectral palette seems to me unsound, and its practice dangerous. 1911 D. S. MacColl in Encycl. Brit. XIV. 345/1 spectral series n. = series n. 12. ΚΠ 1900 Sci. Abstr.: Physics & Electr. Engin. 3 465 A most useful review of the present state of knowledge respecting spectral series. 1974 G. Reece tr. F. Hund Hist. Quantum Theory iv. 61 Several attempts were made to give a theoretical interpretation of the spectral series. spectral term n. (See term n. 14d). spectral type n. (Astr.), any of the types used to classify stellar spectra, each being associated with stars of a characteristic range of temperatures and compositions and designated by a letter or letters. ΘΚΠ the world > the universe > star > star-matter > [noun] > spectrum spectral type1890 redshift1923 space reddening1931 profile1933 1890 A. M. Clerke Syst. Stars iii. 37 About eleven-twelfths of all the stars show linear spectra of absorption. They fall into two great divisions, corresponding to Father Secchi's first and second spectral types. 1924 Proc. Amer. Acad. Arts & Sci. 59 217 If the stellar density for any spectral type were uniform throughout space, the number of stars visible should double with every increase of half a magnitude in brightness. 1973 Smith & Jacobs Introd. Astron. & Astrophysics x. 268 Since we will have occasion to refer to specific spectral types in the following paragraphs, we give the spectral sequence from hot to cool stars (40,000 K to 3000 K) here: O, B, A, F, G, K, and M. Each spectral class is further divided into ten sub~classes 0 to 9. Derivatives ˈspectralism n. a spectral or ghostly scene. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [noun] > ghostly scene spectralism1851 1851 Carlyle in New Rev. (1891) Oct. 299 All dreamlike, one spectralism succeeding another. specˈtrality n. a phantasm; ghostliness. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [noun] soulOE huea1000 ghostOE fantasyc1325 spiritc1350 phantomc1384 phantasmc1430 haunterc1440 shadowa1464 appearance1488 wraith1513 hag1538 spoorn1584 vizarda1591 life-in-death1593 phantasma1598 umbra1601 larve1603 spectre1605 spectrum1611 apparitiona1616 shadea1616 shapea1616 showa1616 idolum1619 larva1651 white hat?1693 zumbi1704 jumbie1764 duppy1774 waff1777 zombie1788 Wild Huntsman1796 spook1801 ghostie1810 hantua1811 preta1811 bodach1814 revenant1823 death-fetch1826 sowlth1829 haunt1843 night-bat1847 spectrality1850 thivish1852 beastie1867 ghost soul1869 barrow-wight1891 resurrect1892 waft1897 churel1901 comeback1908 the world > the supernatural > supernatural being > ghost or phantom > [noun] > state of being ghostliness1657 ghostism1782 ghostship1796 ghosthood1842 ghostdom1846 spectrality1850 ghostiness1874 spectralness1892 life-in-death1901 1850 T. Carlyle Latter-day Pamphlets i. 50 Traditions now really about extinct;.. still haunting with their spectralities..almost all of us! 1880 Scribner's Monthly July 326 There is about it a certain vagueness and spectrality. ˈspectralness n. the quality or character of being spectral. ΘΚΠ the world > the supernatural > supernatural being > ghost or phantom > [noun] > state of being ghostliness1657 ghostism1782 ghostship1796 ghosthood1842 ghostdom1846 spectrality1850 ghostiness1874 spectralness1892 life-in-death1901 1892 W. W. Peyton Mem. Jesus x. 285 A spectralness, which..gives you an idea of weirdness. This entry has not yet been fully updated (first published 1913; most recently modified version published online March 2022). < n.a1656adj.1718
随便看	to set on one's foot to set on one's heart to set on or upon the square to set on sale to set on seven to set on six and seven to set on the panel to set on the sea, water, afloat to set on work to set on write to set one in another's neck to set one sore to set one's back up to set one's best foot forward to set one's best leg forward to set one's cap at to set one's face to set one's face against to set one's face as a flint to set one's face for to set one's face for from to set one's face for to to set one's face for towards to set one's face in a brake to set one's face like a flint

† spectraln.

spectraladj.

Compounds

Derivatives