amplituden.

/ˈæmplɪtjuːd/

Etymology: < French amplitude, < Latin amplitūdo , -inem , breadth, < ampl-us : see ample adj. and -tude suffix.

The quality of being ample.

1. Extension in space, extent, largeness; chiefly, width, breadth.

ΘΚΠ

the world > space > [noun] > sufficient space or room > roominess

roomthiness1556

commodiousness1562

spaciousness1587

amplitude1599

laxness1634

capaciousness1642

laxity1650

roomliness1744

roominess1755

uncrampedness1882

spaciness1885

the world > space > extension in space > measurable spatial extent > [noun]

greatness1381

measurea1382

quantitya1387

muchnessa1398

sizea1400

largec1400

micklec1400

moisonc1400

of suingc1400

bignessc1475

assize1481

proportions1481

bodya1500

dimension1529

measuring1529

wideness1535

bind1551

corporance1570

magnitude1570

mickledom1596

amplitude1599

breadth1609

extendure1613

extension1614

extent1623

extensure1631

dimense1632

dimensity1655

bulkiness1674

bulksomeness1674

admeasurement1754

calliper1819

acreage1846

1599 T. Nashe Lenten Stuffe 52 It cuts out an Iland of some amplitude.

1672 N. Grew Anat. Veg. i. 30 Growing to a three-four-five-fold amplitude above their primitive size.

1823 C. Lamb Mackery End in Elia 179 An amplitude of form and stature, answering to her mind.

1833 T. Chalmers On Power of God (1835) I. v. 208 Throughout the amplitudes of savage and solitary nature.

2. Of things immaterial: width, breadth, fullness; copiousness, abundance.

ΘΚΠ

the world > relative properties > quantity > sufficient quantity, amount, or degree > abundance > [noun]

speedOE

fulsomenesslOE

wonea1300

fulsomeheada1325

cheapc1325

largitya1382

plenteousnessa1382

plenteoustea1382

plentya1382

abundancec1384

affluencec1390

largenessc1400

uberty?a1412

aboundingc1425

fullness1440

copiousness1447

rifenessc1450

copy1484

abundancy?1526

copiosity1543

plentifulness1555

ampleness1566

umberty?1578

acquire1592

amplitude1605

plentitude1609

plenitude1614

fertility1615

profluence1623

fluency1624

flushness1662

rowtha1689

sonsea1689

affluentness1727

raff1801

richness1814

1605 Bacon Of Aduancem. Learning ii. sig. Aa1^v, All workes are ouercommen by amplitude of reward..and by the coniunction of labors.

1664 H. More Modest Enq. Myst. Iniquity 248 The amplitude of that Jurisdiction to which they belong.

1802 W. Paley Nat. Theol. xxvi. 499 It is in those things..that the amplitude of the divine benignity is perceived.

1850 T. T. Lynch Mem. Theophilus Trinal viii. 138 The blue of day shall image for us the amplitude of the divine charity.

1864 Sat. Rev. 31 Dec. 813/2 [He] arrays all the facts before the reader in their original amplitude.

3. Of mental capacity: breadth, wide range.

ΘΚΠ

the mind > mental capacity > understanding > intelligence, cleverness > high intelligence, genius > [noun] > breadth, depth, strength of intellect

strengthOE

largenessa1382

profoundnessc1475

breadth1532

profundity1559

amplitude1575

deptha1593

powerfulnessc1595

universality1605

fathoma1616

spaciousness1657

comprehensiveness1683

grasp1683

altitudo1933

1575 R. Laneham Let. (1871) 48 Az for the Amplitude of his Lordship's mynde.

a1652 J. Smith Sel. Disc. (1660) ix. iii. 393 Religion..does work the Soul into a true & divine amplitude.

1746 J. Hervey Medit. (1818) 139 The amplitude of a generous heart.

1814 H. F. Cary tr. Dante Paradiso x. 110 Endowed With sapience so profound..That with a ken of such wide amplitude No second hath arisen.

1828 Macaulay Hallam's Constit. Hist. in Edinb. Rev. Sept. 98 His mind is..distinguished by the amplitude of its grasp.

4. Excellence, dignity, grandeur, splendour.

ΘΚΠ

the mind > attention and judgement > esteem > reputation > majesty, glory, or grandeur > [noun]

athelc885

highnesseOE

brightnessOE

thrumOE

worshipOE

highship?c1225

nobleyec1300

pridec1330

realtya1375

rialtya1375

greatnessc1384

nobletya1387

magnificencec1390

regalya1393

greatheada1400

hautesse1399

lordliness1440

celsitudec1450

excelsitudec1470

state1488

princeliness1545

kingliness1548

royalty1548

amplitudec1550

grandity1589

grandeur1600

glory1613

majesticalness1613

augusteity1615

grandezza1629

augustness1644

raisedness1645

celsity1656

splendidnessa1657

grandness1663

exaltedness1730

halo1813

queenliness1831

aureole1852

magnateship1916

c1550 Complaynt Scotl. (1979) 1 Ȝour honorabil amplitude of verteouse dignite incressis daly.

1655 T. Fuller Church-hist. Brit. i. 10 This was conceived to conduce to the state and amplitude of their Empire.

1660 R. Coke Elem. Power & Subj. 180 in Justice Vindic. To the greater amplitude and glory of God.

1834 J. Foster Ess. Evils Pop. Ignorance 456 Religion, believed and felt, is the amplitude of our moral and intellectual nature.

5. Astron. The space by which a celestial body rises wide of due east, or sets wide of due west; its angular distance at rising or setting from the eastern or western point of the horizon.When reckoned from the eastern and western points as shown by the compass, the Amplitude is Magnetic.

ΘΚΠ

the world > the universe > heavenly body > position of heavenly body > [noun] > other

declinationc1400

meridian altitudec1400

angle of position?a1560

zenith distance1588

refraction1603

azimuth1626

amplitude1627

horizontal parallax1665

complement1703

aberration1737

hour-angle1837

intercept1901

1627 J. Smith Sea Gram. xv. 83 To obserue the..Amplitude.

1658 E. Phillips New World Eng. Words (at cited word), The Amplitude of the Sun and Stars is an Arch of the Horizon, comprehended between the true East and West Point of it, and the Center of the Sun, Moon, or any Star, at its Rising or Setting.

1697 W. Dampier New Voy. around World 531 Taking the Suns Amplitude mornings and evenings.

1779 T. Forrest Voy. New Guinea 107 To day found the variation of the compass, by the medium of several amplitudes taken ashore.

1834 Nat. Philos. (Libr. Useful Knowl.) III. xiii. 256/2 Amplitude..differs from the azimuth merely in being counted from the east and west points, instead of from north and south.

a. Extent of motion in space.

ΘΚΠ

the world > movement > [noun] > extent of motion in space

amplitude1880

1880 C. Darwin & F. Darwin Movements & Habits Plants 3 The great sweeps made by the stems of twining plants..result from a mere increase in the amplitude of the ordinary movement of circumnutation.

b. Hence in Gunnery, The range of a projectile.

ΚΠ

1728 E. Chambers Cycl. Amplitude of the Range of a Projectile, is the horizontal Line subtending the Path in which it [sc. the Projectile] moved.

c. esp. in Physics. amplitude of a vibration: the distance which an individual particle moves from side to side in performing a complete vibration.

ΘΚΠ

the world > matter > physics > mechanics > types of motion > [noun] > vibration or oscillation > single motion > distance moved by individual particle

amplitude of a vibration1837

1837 D. Brewster Treat. Magn. 222 The diurnal oscillations have a small amplitude between the tropics.

1869 J. Tyndall Notes on Light §220 The intensity of the light depends on the distance to which the ether particles move to and fro. This distance is called the amplitude of the vibration. The intensity of light is proportional to the square of the amplitude.

1876 tr. P. Blaserna Theory Sound iii. 48 The loudness of a sound is represented by the amplitude of the vibrations causing it.

d. Electr. The maximum departure of the value of an alternating current or wave from the average value. Also attrib., as amplitude distortion.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] > amplitude

amplitude1895

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > amplitude

amplitude1931

the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] > amplitude > variation in

amplitude distortion1931

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > signal > [noun] > unwanted part of signal > distortion > types of

overmodulation1927

harmonic distortion1929

amplitude distortion1931

intermodulation1931

cross-modulation1933

1895 S. P. Thompson Elem. Lessons Electr. & Magn. x. 487 The impressed electromotive-force follows a sine law..where D is the maximum value or amplitude attained by E.

1931 B.B.C. Year-bk. 436/1 Amplitude Distortion, in electrical apparatus, the variation in response at different amplitudes with an input of constant frequency.

1945 Electronic Engin. 17 640 Either the amplitude or the frequency of the sweep may be increased.

1953 S. W. Amos & D. C. Birkinshaw Television Engin. I. i. 28 All the components of the vision signal must be reproduced at the correct amplitude to avoid distortion in the reproduced image.

e. amplitude modulation Electr. modulation of a wave by variation of its amplitude; also, the system using such modulation (abbrev. A.M.). Cf. frequency modulation n.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > modulation > by variation in amplitude

amplitude modulation1921

1921 J. Scott-Taggart Thermionic Tubes xiii. 355 Two general methods of modulation are used at present; either the amplitude of the continuous waves is varied by the microphone, or the wave-length is altered.

1922 J. R. Carson in Proc. Inst. Radio Engin. X. 59 It has been proposed..to employ an apparently radically different system of modulation which may be termed frequency modulation as distinguished from amplitude modulation, in the belief that the former system makes possible the transmission of signals by a narrower range of transmitted frequencies.

1932 F. E. Terman Radio Engin. x. 357 In all the commonly used systems of radio communication the intelligence is transmitted by varying the amplitude of the radiated waves... Communication carried on in this way is said to take place by means of amplitude modulation.

1942 Electronic Engin. 14 630 The action of the limiter largely prevents the frequency distortion effect present with amplitude modulation.

1944 Electronic Engin. 17 58 An A.M. transmitter.

1962 A. Nisbett Technique Sound Studio 240 Amplitude modulation (AM), a method whereby the information in an audio signal is carried on the much higher frequency of a radio wave. The envelope of the amplitude of the radio wave in successive cycles is equivalent to the wave form of the initial sound. Historically, AM is the method which was used first and such transmissions now crowd the short, medium and long wave bands... For high quality transmission AM has largely given way to FM (frequency modulation).

Draft additions 1997

amplitude-modulate v. [as back-formation] trans.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [verb (transitive)] > modulate (a device) > by varying amplitude

amplitude-modulate1938

1938 G. E. Sterling Radio Manual (ed. 3) vi. 353 An analysis of a frequency modulated wave shows that it contains the same side bands that are present in an amplitude modulated wave.

1990 Physiotherapy 76 745/2 Both the medium frequency currents themselves, and the amplitude modulated beat frequency, are portrayed as sinusoidal.

amplitude-modulated adj. [as back-formation]

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [adjective] > modulated by variation in amplitude

amplitude-modulated1970

1970 J. Earl Tuners & Amplifiers v. 104 The clicks, pops and whistles we commonly have to tolerate on a.m. stations are caused by the received signal being effectively amplitude-modulated by interference.

1982 Giant Bk. Electronics Projects x. 463 This video output may in turn be used to amplitude modulate an rf carrier.

This entry has not yet been fully updated (first published 1884; most recently modified version published online June 2011).

单词	amplitude
释义	amplituden. /ˈæmplɪtjuːd/ Etymology: < French amplitude, < Latin amplitūdo , -inem , breadth, < ampl-us : see ample adj. and -tude suffix. The quality of being ample. 1. Extension in space, extent, largeness; chiefly, width, breadth. ΘΚΠ the world > space > [noun] > sufficient space or room > roominess roomthiness1556 commodiousness1562 spaciousness1587 amplitude1599 laxness1634 capaciousness1642 laxity1650 roomliness1744 roominess1755 uncrampedness1882 spaciness1885 the world > space > extension in space > measurable spatial extent > [noun] greatness1381 measurea1382 quantitya1387 muchnessa1398 sizea1400 largec1400 micklec1400 moisonc1400 of suingc1400 bignessc1475 assize1481 proportions1481 bodya1500 dimension1529 measuring1529 wideness1535 bind1551 corporance1570 magnitude1570 mickledom1596 amplitude1599 breadth1609 extendure1613 extension1614 extent1623 extensure1631 dimense1632 dimensity1655 bulkiness1674 bulksomeness1674 admeasurement1754 calliper1819 acreage1846 1599 T. Nashe Lenten Stuffe 52 It cuts out an Iland of some amplitude. 1672 N. Grew Anat. Veg. i. 30 Growing to a three-four-five-fold amplitude above their primitive size. 1823 C. Lamb Mackery End in Elia 179 An amplitude of form and stature, answering to her mind. 1833 T. Chalmers On Power of God (1835) I. v. 208 Throughout the amplitudes of savage and solitary nature. 2. Of things immaterial: width, breadth, fullness; copiousness, abundance. ΘΚΠ the world > relative properties > quantity > sufficient quantity, amount, or degree > abundance > [noun] speedOE fulsomenesslOE wonea1300 fulsomeheada1325 cheapc1325 largitya1382 plenteousnessa1382 plenteoustea1382 plentya1382 abundancec1384 affluencec1390 largenessc1400 uberty?a1412 aboundingc1425 fullness1440 copiousness1447 rifenessc1450 copy1484 abundancy?1526 copiosity1543 plentifulness1555 ampleness1566 umberty?1578 acquire1592 amplitude1605 plentitude1609 plenitude1614 fertility1615 profluence1623 fluency1624 flushness1662 rowtha1689 sonsea1689 affluentness1727 raff1801 richness1814 1605 Bacon Of Aduancem. Learning ii. sig. Aa1^v, All workes are ouercommen by amplitude of reward..and by the coniunction of labors. View more context for this quotation 1664 H. More Modest Enq. Myst. Iniquity 248 The amplitude of that Jurisdiction to which they belong. 1802 W. Paley Nat. Theol. xxvi. 499 It is in those things..that the amplitude of the divine benignity is perceived. 1850 T. T. Lynch Mem. Theophilus Trinal viii. 138 The blue of day shall image for us the amplitude of the divine charity. 1864 Sat. Rev. 31 Dec. 813/2 [He] arrays all the facts before the reader in their original amplitude. 3. Of mental capacity: breadth, wide range. ΘΚΠ the mind > mental capacity > understanding > intelligence, cleverness > high intelligence, genius > [noun] > breadth, depth, strength of intellect strengthOE largenessa1382 profoundnessc1475 breadth1532 profundity1559 amplitude1575 deptha1593 powerfulnessc1595 universality1605 fathoma1616 spaciousness1657 comprehensiveness1683 grasp1683 altitudo1933 1575 R. Laneham Let. (1871) 48 Az for the Amplitude of his Lordship's mynde. a1652 J. Smith Sel. Disc. (1660) ix. iii. 393 Religion..does work the Soul into a true & divine amplitude. 1746 J. Hervey Medit. (1818) 139 The amplitude of a generous heart. 1814 H. F. Cary tr. Dante Paradiso x. 110 Endowed With sapience so profound..That with a ken of such wide amplitude No second hath arisen. 1828 Macaulay Hallam's Constit. Hist. in Edinb. Rev. Sept. 98 His mind is..distinguished by the amplitude of its grasp. 4. Excellence, dignity, grandeur, splendour. ΘΚΠ the mind > attention and judgement > esteem > reputation > majesty, glory, or grandeur > [noun] athelc885 highnesseOE brightnessOE thrumOE worshipOE highship?c1225 nobleyec1300 pridec1330 realtya1375 rialtya1375 greatnessc1384 nobletya1387 magnificencec1390 regalya1393 greatheada1400 hautesse1399 lordliness1440 celsitudec1450 excelsitudec1470 state1488 princeliness1545 kingliness1548 royalty1548 amplitudec1550 grandity1589 grandeur1600 glory1613 majesticalness1613 augusteity1615 grandezza1629 augustness1644 raisedness1645 celsity1656 splendidnessa1657 grandness1663 exaltedness1730 halo1813 queenliness1831 aureole1852 magnateship1916 c1550 Complaynt Scotl. (1979) 1 Ȝour honorabil amplitude of verteouse dignite incressis daly. 1655 T. Fuller Church-hist. Brit. i. 10 This was conceived to conduce to the state and amplitude of their Empire. 1660 R. Coke Elem. Power & Subj. 180 in Justice Vindic. To the greater amplitude and glory of God. 1834 J. Foster Ess. Evils Pop. Ignorance 456 Religion, believed and felt, is the amplitude of our moral and intellectual nature. 5. Astron. The space by which a celestial body rises wide of due east, or sets wide of due west; its angular distance at rising or setting from the eastern or western point of the horizon.When reckoned from the eastern and western points as shown by the compass, the Amplitude is Magnetic. ΘΚΠ the world > the universe > heavenly body > position of heavenly body > [noun] > other declinationc1400 meridian altitudec1400 angle of position?a1560 zenith distance1588 refraction1603 azimuth1626 amplitude1627 horizontal parallax1665 complement1703 aberration1737 hour-angle1837 intercept1901 1627 J. Smith Sea Gram. xv. 83 To obserue the..Amplitude. 1658 E. Phillips New World Eng. Words (at cited word), The Amplitude of the Sun and Stars is an Arch of the Horizon, comprehended between the true East and West Point of it, and the Center of the Sun, Moon, or any Star, at its Rising or Setting. 1697 W. Dampier New Voy. around World 531 Taking the Suns Amplitude mornings and evenings. 1779 T. Forrest Voy. New Guinea 107 To day found the variation of the compass, by the medium of several amplitudes taken ashore. 1834 Nat. Philos. (Libr. Useful Knowl.) III. xiii. 256/2 Amplitude..differs from the azimuth merely in being counted from the east and west points, instead of from north and south. 6. a. Extent of motion in space. ΘΚΠ the world > movement > [noun] > extent of motion in space amplitude1880 1880 C. Darwin & F. Darwin Movements & Habits Plants 3 The great sweeps made by the stems of twining plants..result from a mere increase in the amplitude of the ordinary movement of circumnutation. b. Hence in Gunnery, The range of a projectile. ΚΠ 1728 E. Chambers Cycl. Amplitude of the Range of a Projectile, is the horizontal Line subtending the Path in which it [sc. the Projectile] moved. c. esp. in Physics. amplitude of a vibration: the distance which an individual particle moves from side to side in performing a complete vibration. ΘΚΠ the world > matter > physics > mechanics > types of motion > [noun] > vibration or oscillation > single motion > distance moved by individual particle amplitude of a vibration1837 1837 D. Brewster Treat. Magn. 222 The diurnal oscillations have a small amplitude between the tropics. 1869 J. Tyndall Notes on Light §220 The intensity of the light depends on the distance to which the ether particles move to and fro. This distance is called the amplitude of the vibration. The intensity of light is proportional to the square of the amplitude. 1876 tr. P. Blaserna Theory Sound iii. 48 The loudness of a sound is represented by the amplitude of the vibrations causing it. d. Electr. The maximum departure of the value of an alternating current or wave from the average value. Also attrib., as amplitude distortion. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] > amplitude amplitude1895 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > amplitude amplitude1931 the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] > amplitude > variation in amplitude distortion1931 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > signal > [noun] > unwanted part of signal > distortion > types of overmodulation1927 harmonic distortion1929 amplitude distortion1931 intermodulation1931 cross-modulation1933 1895 S. P. Thompson Elem. Lessons Electr. & Magn. x. 487 The impressed electromotive-force follows a sine law..where D is the maximum value or amplitude attained by E. 1931 B.B.C. Year-bk. 436/1 Amplitude Distortion, in electrical apparatus, the variation in response at different amplitudes with an input of constant frequency. 1945 Electronic Engin. 17 640 Either the amplitude or the frequency of the sweep may be increased. 1953 S. W. Amos & D. C. Birkinshaw Television Engin. I. i. 28 All the components of the vision signal must be reproduced at the correct amplitude to avoid distortion in the reproduced image. e. amplitude modulation Electr. modulation of a wave by variation of its amplitude; also, the system using such modulation (abbrev. A.M.). Cf. frequency modulation n. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > modulation > by variation in amplitude amplitude modulation1921 1921 J. Scott-Taggart Thermionic Tubes xiii. 355 Two general methods of modulation are used at present; either the amplitude of the continuous waves is varied by the microphone, or the wave-length is altered. 1922 J. R. Carson in Proc. Inst. Radio Engin. X. 59 It has been proposed..to employ an apparently radically different system of modulation which may be termed frequency modulation as distinguished from amplitude modulation, in the belief that the former system makes possible the transmission of signals by a narrower range of transmitted frequencies. 1932 F. E. Terman Radio Engin. x. 357 In all the commonly used systems of radio communication the intelligence is transmitted by varying the amplitude of the radiated waves... Communication carried on in this way is said to take place by means of amplitude modulation. 1942 Electronic Engin. 14 630 The action of the limiter largely prevents the frequency distortion effect present with amplitude modulation. 1944 Electronic Engin. 17 58 An A.M. transmitter. 1962 A. Nisbett Technique Sound Studio 240 Amplitude modulation (AM), a method whereby the information in an audio signal is carried on the much higher frequency of a radio wave. The envelope of the amplitude of the radio wave in successive cycles is equivalent to the wave form of the initial sound. Historically, AM is the method which was used first and such transmissions now crowd the short, medium and long wave bands... For high quality transmission AM has largely given way to FM (frequency modulation). Draft additions 1997 amplitude-modulate v. [as back-formation] trans. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [verb (transitive)] > modulate (a device) > by varying amplitude amplitude-modulate1938 1938 G. E. Sterling Radio Manual (ed. 3) vi. 353 An analysis of a frequency modulated wave shows that it contains the same side bands that are present in an amplitude modulated wave. 1990 Physiotherapy 76 745/2 Both the medium frequency currents themselves, and the amplitude modulated beat frequency, are portrayed as sinusoidal. amplitude-modulated adj. [as back-formation] ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [adjective] > modulated by variation in amplitude amplitude-modulated1970 1970 J. Earl Tuners & Amplifiers v. 104 The clicks, pops and whistles we commonly have to tolerate on a.m. stations are caused by the received signal being effectively amplitude-modulated by interference. 1982 Giant Bk. Electronics Projects x. 463 This video output may in turn be used to amplitude modulate an rf carrier. This entry has not yet been fully updated (first published 1884; most recently modified version published online June 2011). < n.c1550
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