aperturen.

/ˈapətjʊə/

Etymology: < Latin apertūra, < apert- participial stem of aperīre to open: see -ure suffix¹.

†1. The process of opening. Obsolete.

ΘΚΠ

the world > space > relative position > condition of being open or not closed > [noun] > action or process of opening

openinga1425

unclosinga1475

reseration1548

unlocking1568

reserating1598

apertion1615

aperture1669

1669 W. Holder Elem. Speech 29 From an Appulse to no Appulse (or an Aperture) is easier, (because the Motion is not half so much,) than from one Appulse to another.

1686 J. Goad Astro-meteorologica i. vi. 21 The aperture and explication of the willing Flower.

1709 Philos. Trans. 1708–09 (Royal Soc.) 26 170 His Brother..desired an Eminent Surgeon..to open him; but as the Aperture was to be perform'd gratis, he put it off.

†2. The opening up of what is involved, intricate, restricted. Obsolete. rare.

ΚΠ

1649 Bp. J. Taylor Great Exemplar Add. v. §4 The apertures and permissions of marriage have such restraints of modesty and prudence, that [etc.].

1660 Bp. J. Taylor Worthy Communicant Introd. 8 The aperture and dissolution of distinctions.

3. An opening, an open space between portions of solid matter; a gap, cleft, chasm, or hole; the mouth of the shell of a mollusc.

ΘΚΠ

the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun]

holec725

thirla900

eyeOE

opena1200

opening?c1225

overturec1400

overta1425

wideness?c1425

howe1487

hiatus1563

vent1594

apertion1599

ferme1612

notch1615

sluice1648

gape1658

aperture1661

want1664

door1665

hiulcitya1681

to pass through the eye of a needle (also a needle's eye)1720

vista1727

light1776

ope1832

lacuna1872

doughnut hole1886

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > Testacea (shelled molluscs) > shelled mollusc > shell > part of

auricle1665

heel1673

lip1681

mouth1681

whirl1681

rib1711

antihelix1721

canal1734

columella1755

vesture1755

body whirl1776

fent1776

pillar1776

pillar-lip1776

septum1786

aperture1794

body whorl1807

costa1812

seam1816

spine1822

umbo1822

varix1822

peristome1828

summit1828

nucleus1833

concameration1835

lunula1835

nympha1836

nymph1839

lunule1842

peritreme1848

body chamber1851

axis1866

umbone1867

liration1904

1661 J. Glanvill Vanity of Dogmatizing iv. 34 If Memory be made by the easie motion of the Spirits through the opened passages,..Images, without doubt pass through the same apertures?

1696 W. Whiston New Theory of Earth iv. 330 As many Waters were run down..as the Apertures could receive.

1794 R. J. Sulivan View of Nature II. 88 The internal structure..may be compared to a spunge, though the apertures cannot in general be perceived.

1851 S. P. Woodward Man. Mollusca i. 44 The thickening and contraction of the aperture in the univalves.

4. Optics. The space through which light passes in any optical instrument (though there is no material opening). Also attributive. aperture number, aperture ratio (see quot. 1953).

ΘΚΠ

the world > physical sensation > sight and vision > optical instruments > [noun] > instrument for looking through > parts of

sight-hole1559

aperture1665

diaphragm1665

reticule1728

reticle1731

wire1737

web1746

screena1764

eye cap1822

spider-line1829

cobweb1837

slit1863

1665 Philos. Trans. (Royal Soc.) 1 19 I saw..with one Aperture of my glass more than 40 or 50.

1728 E. Chambers Cycl. (at cited word) The focal Distances of the Eye-Glasses are to be proportional to the Apertures.

1879 J. N. Lockyer Elem. Lessons Astron. (new ed.) vi. 218 The aperture of the object-glass, that is to say, its diameter.

1879 H. Grubb in Proc. Royal Dubl. Soc. 181 That roundness and relief that is admired so much in photographs taken with large aperture lenses.

1889 W. A. Watts in Year-bk. Photogr. 1889 91 The desirability of ascertaining the aperture ratio (f/n) of each stop employed is universally admitted.

1953 S. W. Amos & D. C. Birkinshaw Television Engin. I. 166 The aperture number or aperture ratio, which is defined as the ratio of the focal length of the system to the diameter of the entrance pupil.

Categories »

5. ‘In some Writers of Geometry, the Inclination, or Leaning of one Right-line towards another, which meet in a point and make an Angle.’ Phillips 1706.In Chambers 1751, Hutton 1796.

6. The opening in the sight of a rifle. Usually attributive, as aperture sight.

ΘΚΠ

society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > sight > types of

dispart1578

telescopic sight1674

plain sight1686

aim-frontlet1745

hausse1787

foresight1806

gloaming sight1817

night-sight1822

bead1831

leaf1832

backsight1847

globe sight1847

pendulum hausse1850

hindsight1851

tangent scale1859

tangent1861

tangent backsight1862

training pendulum1862

training level1863

peep sight1866

dispart-sight1867

notch sight1867

buck-horn1877

orthoptic1881

aperturea1884

pinball-sighta1884

dispart patch1884

sight bar1884

flap-sight1887

barley-corn1896

ring sight1901

riflescope1902

spotting scope1904

tangent sight1908

Aldis sight1918

wind-sight1923

scope sight1934

gyro-sight1942

a1884 E. H. Knight Pract. Dict. Mech. Suppl. 43/1 Aperture-sight, another name for the open bead-sight.

1913 A. G. Fulton Notes on Rifle Shooting 8 In choosing an aperture backsight, a pattern which is perfectly rigid throughout..should be chosen... One can hardly be better than the latest No. 9c B.S.A. aperture sight.

1913 A. G. Fulton Notes on Rifle Shooting 9 The size of aperture depends..on the individual.

1915 F. H. Lawrence Let. 26 Apr. in T. E. Lawrence Home Lett. (1954) 708 If Pearson wants my rifle sell it him. The aperture back sight wants to be screwed down tight.

Draft additions March 2014

aperture stop n. Optics a stop (stop n.² 12) that restricts the amount of light entering a lens system; a diaphragm with a circular hole that acts in this way.

ΚΠ

1856 Orr's Circle Sci.: Pract. Chem 129 In dull weather, and in copying objects indifferently illuminated, the largest size aperture stop is used.

1972 C. S. Williams & O. A. Becklund Optics viii. 188 An aperture stop located between a positive lens and the image increases pincushion distortion.

2010 R. Kingslake & R. B. Johnson Lens Design Fund. (ed. 2) xv. 465 The aperture stop of the system is located at the primary mirror.

This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2020).

单词	aperture
释义	aperturen. /ˈapətjʊə/ Etymology: < Latin apertūra, < apert- participial stem of aperīre to open: see -ure suffix¹. †1. The process of opening. Obsolete. ΘΚΠ the world > space > relative position > condition of being open or not closed > [noun] > action or process of opening openinga1425 unclosinga1475 reseration1548 unlocking1568 reserating1598 apertion1615 aperture1669 1669 W. Holder Elem. Speech 29 From an Appulse to no Appulse (or an Aperture) is easier, (because the Motion is not half so much,) than from one Appulse to another. 1686 J. Goad Astro-meteorologica i. vi. 21 The aperture and explication of the willing Flower. 1709 Philos. Trans. 1708–09 (Royal Soc.) 26 170 His Brother..desired an Eminent Surgeon..to open him; but as the Aperture was to be perform'd gratis, he put it off. †2. The opening up of what is involved, intricate, restricted. Obsolete. rare. ΚΠ 1649 Bp. J. Taylor Great Exemplar Add. v. §4 The apertures and permissions of marriage have such restraints of modesty and prudence, that [etc.]. 1660 Bp. J. Taylor Worthy Communicant Introd. 8 The aperture and dissolution of distinctions. 3. An opening, an open space between portions of solid matter; a gap, cleft, chasm, or hole; the mouth of the shell of a mollusc. ΘΚΠ the world > space > relative position > condition of being open or not closed > an opening or aperture > [noun] holec725 thirla900 eyeOE opena1200 opening?c1225 overturec1400 overta1425 wideness?c1425 howe1487 hiatus1563 vent1594 apertion1599 ferme1612 notch1615 sluice1648 gape1658 aperture1661 want1664 door1665 hiulcitya1681 to pass through the eye of a needle (also a needle's eye)1720 vista1727 light1776 ope1832 lacuna1872 doughnut hole1886 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Mollusca > [noun] > Testacea (shelled molluscs) > shelled mollusc > shell > part of auricle1665 heel1673 lip1681 mouth1681 whirl1681 rib1711 antihelix1721 canal1734 columella1755 vesture1755 body whirl1776 fent1776 pillar1776 pillar-lip1776 septum1786 aperture1794 body whorl1807 costa1812 seam1816 spine1822 umbo1822 varix1822 peristome1828 summit1828 nucleus1833 concameration1835 lunula1835 nympha1836 nymph1839 lunule1842 peritreme1848 body chamber1851 axis1866 umbone1867 liration1904 1661 J. Glanvill Vanity of Dogmatizing iv. 34 If Memory be made by the easie motion of the Spirits through the opened passages,..Images, without doubt pass through the same apertures? 1696 W. Whiston New Theory of Earth iv. 330 As many Waters were run down..as the Apertures could receive. 1794 R. J. Sulivan View of Nature II. 88 The internal structure..may be compared to a spunge, though the apertures cannot in general be perceived. 1851 S. P. Woodward Man. Mollusca i. 44 The thickening and contraction of the aperture in the univalves. 4. Optics. The space through which light passes in any optical instrument (though there is no material opening). Also attributive. aperture number, aperture ratio (see quot. 1953). ΘΚΠ the world > physical sensation > sight and vision > optical instruments > [noun] > instrument for looking through > parts of sight-hole1559 aperture1665 diaphragm1665 reticule1728 reticle1731 wire1737 web1746 screena1764 eye cap1822 spider-line1829 cobweb1837 slit1863 1665 Philos. Trans. (Royal Soc.) 1 19 I saw..with one Aperture of my glass more than 40 or 50. 1728 E. Chambers Cycl. (at cited word) The focal Distances of the Eye-Glasses are to be proportional to the Apertures. 1879 J. N. Lockyer Elem. Lessons Astron. (new ed.) vi. 218 The aperture of the object-glass, that is to say, its diameter. 1879 H. Grubb in Proc. Royal Dubl. Soc. 181 That roundness and relief that is admired so much in photographs taken with large aperture lenses. 1889 W. A. Watts in Year-bk. Photogr. 1889 91 The desirability of ascertaining the aperture ratio (f/n) of each stop employed is universally admitted. 1953 S. W. Amos & D. C. Birkinshaw Television Engin. I. 166 The aperture number or aperture ratio, which is defined as the ratio of the focal length of the system to the diameter of the entrance pupil. Categories » 5. ‘In some Writers of Geometry, the Inclination, or Leaning of one Right-line towards another, which meet in a point and make an Angle.’ Phillips 1706.In Chambers 1751, Hutton 1796. 6. The opening in the sight of a rifle. Usually attributive, as aperture sight. ΘΚΠ society > armed hostility > military equipment > weapon > device for discharging missiles > firearm > parts and fittings of firearms > [noun] > sight > types of dispart1578 telescopic sight1674 plain sight1686 aim-frontlet1745 hausse1787 foresight1806 gloaming sight1817 night-sight1822 bead1831 leaf1832 backsight1847 globe sight1847 pendulum hausse1850 hindsight1851 tangent scale1859 tangent1861 tangent backsight1862 training pendulum1862 training level1863 peep sight1866 dispart-sight1867 notch sight1867 buck-horn1877 orthoptic1881 aperturea1884 pinball-sighta1884 dispart patch1884 sight bar1884 flap-sight1887 barley-corn1896 ring sight1901 riflescope1902 spotting scope1904 tangent sight1908 Aldis sight1918 wind-sight1923 scope sight1934 gyro-sight1942 a1884 E. H. Knight Pract. Dict. Mech. Suppl. 43/1 Aperture-sight, another name for the open bead-sight. 1913 A. G. Fulton Notes on Rifle Shooting 8 In choosing an aperture backsight, a pattern which is perfectly rigid throughout..should be chosen... One can hardly be better than the latest No. 9c B.S.A. aperture sight. 1913 A. G. Fulton Notes on Rifle Shooting 9 The size of aperture depends..on the individual. 1915 F. H. Lawrence Let. 26 Apr. in T. E. Lawrence Home Lett. (1954) 708 If Pearson wants my rifle sell it him. The aperture back sight wants to be screwed down tight. Draft additions March 2014 aperture stop n. Optics a stop (stop n.² 12) that restricts the amount of light entering a lens system; a diaphragm with a circular hole that acts in this way. ΚΠ 1856 Orr's Circle Sci.: Pract. Chem 129 In dull weather, and in copying objects indifferently illuminated, the largest size aperture stop is used. 1972 C. S. Williams & O. A. Becklund Optics viii. 188 An aperture stop located between a positive lens and the image increases pincushion distortion. 2010 R. Kingslake & R. B. Johnson Lens Design Fund. (ed. 2) xv. 465 The aperture stop of the system is located at the primary mirror. This entry has not yet been fully updated (first published 1885; most recently modified version published online December 2020). < n.1649
随便看	laryngic laryngismal laryngismi laryngismus laryngitic laryngitides laryngitis laryngo laryngo- laryngo-catarrh laryngo-fissure laryngo-pharyngeal laryngo-pharynx laryngo-typhoid laryngo-typhus laryngocatarrh laryngofissure laryngography laryngological laryngologies laryngologist laryngologists laryngology laryngometry laryngopharyngeal