opacousadj.

Brit.

/ə(ʊ)ˈpeɪkəs/, U.S.

/oʊˈpeɪkəs/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin opācus , -ous suffix.

Etymology: < classical Latin opācus opaque adj. + -ous suffix. Compare earlier opaque adj.

Chiefly poetic.

†a. Not shining; dull, dark; = opaque adj. 1b. Obsolete.

ΘΚΠ

the world > matter > light > darkness or absence of light > dimness or absence of brightness > [adjective]

dima1000

darkOE

troublea1327

palec1385

dullc1430

unclearc1440

unbright1534

cloudy1556

unlight1570

muddy1600

wan1601

opacous1616

filmy1642

illuminous1656

crepuscular1668

dumb1720

rayless1754

opaque1794

veilya1802

turbid1811

unlucent1819

ineffulgent1824

blear1830

unrefulgent1856

subluminous1860

subaqueous1875

shineless1882

1616 J. Rudston (title) A prognostication for the yeere of our Lord God 1616: deduced from the positions and variable mixtures of the rayes of the supreame and luminous bodies on this opacous globe of the earth.

1667 J. Milton Paradise Lost (1674) iii. 74 The firm opacous Globe Of this round World, whose first convex divides The luminous inferior Orbs.

1712 J. Browne tr. P. Pomet et al. Compl. Hist. Druggs I. 108 Too much of the Powder makes the Metal black and opacous.

1712 E. Arwaker Pia Desideria (ed. 4) x. 49 Tho' glorious all in our dim Eyes they shine, Are only small Opacous Orbs in thine.

1713 A. Collier Clavis Universalis i. i. §2. 33 Is the Moon..a Luminous Thing?.. No; but a Dark or Opacous Body.

1846 Amer. Whig Rev. Oct. 422 All her numbered stars, roll Merely to officiate light Round this opacous earth.

b. Not illuminated; = opaque adj. 1a. Now rare.

ΘΚΠ

the world > matter > light > darkness or absence of light > darkness or gloom > [adjective] > dim, dark, or obscure

obscurea1425

opaque?1440

caliginousc1550

half-dark1576

murksome1590

opacousa1627

twilight1645

shadowy1840

twilighty1856

twilighted1865

twilit1869

a1627 T. Middleton & W. Rowley Changeling (1653) v. sig. I3 What an opacous body had that moon: That last chang'd on us.

1657 G. Thornley tr. Longus Daphnis & Chloe 52 This Garden is thick, opacous, and shady.

1709 Taffy's Triumph 12 Trusting To the dark Covert of th' Opacous Night.

1805–20 W. Blake Jerusalem iv. Pl. 86 I see thy Form O lovely mild Jerusalem Wingd With Six Wings In the opacous Bosom of the Sleeper.

1916 B. More tr. Ovid Ceres & Proserpina in W. Brewer & B. More Life & Poems of B. More (1940) 147 She reigned a queen, Supremely great in that opacous world—Queen consort to the King of Hell.

†2. Not transmitting light; = opaque adj. 2a. Obsolete.

ΘΚΠ

the world > matter > light > transparency or translucence > opacity > [adjective]

troublea1327

nebulous?a1425

cloudy1587

shady1605

untransparent1605

untransparablea1618

opacous1625

opaque1631

opacious1643

non-transparent1653

adiaphanous1658

undiaphanous1666

opacular1761

intransparent1842

opacious1953

1625 N. Carpenter Geogr. Delineated i. i. 11 The shadowes imitate the opacous bodies, whence they arise.

1662 C. Merrett tr. A. Neri Art of Glass xlii The glass becomes transparent, and no more Opacous.

1753 B. Franklin Let. 4 Feb. in Sel. Sci. Let. (1931) 209 Suppose opacous particles to be equally mix'd in the space between the two circular lines.

1814 H. F. Cary tr. Dante Vision II. xvii. 75 Through which thou saw'st no better, than the mole Doth through opacous membrane.

1868 J. R. Lowell Under Willows 201 The sound of human voice Or footfall..Doth in opacous cloud precipitate The consciousness.

1892 A. Bierce Black Beetles in Amber 103 In his brain's opacous clot, ah He has got a maggot!

Derivatives

† opacously adv. Obsolete opaquely.

ΘΚΠ

the world > matter > light > transparency or translucence > opacity > [adverb]

cloudily1651

opacously1670

opaquely1747

1670 E. R. Animadversions Glanvill's Ne Plus Ultra 147 It seemed..opacously red as Tent wine.

† opacousness n. Obsolete opaqueness.

ΘΚΠ

the world > matter > light > transparency or translucence > opacity > [noun]

cloudiness1594

opacity1634

umbrosity1646

opaqueness1647

opacousness1656

filminess1870

intransparency1902

1656 T. Stanley Hist. Philos. II. v. 103 The first mind, by its opacousness eclipsing their lustre.

1666 R. Boyle Origine Formes & Qualities 171 Gravity and Levity, Firmnesse and Fluidity, Opacousnesse..Transparency, &c.

This entry has been updated (OED Third Edition, June 2004; most recently modified version published online June 2022).

单词	opacous
释义	opacousadj. Brit. /ə(ʊ)ˈpeɪkəs/, U.S. /oʊˈpeɪkəs/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin opācus , -ous suffix. Etymology: < classical Latin opācus opaque adj. + -ous suffix. Compare earlier opaque adj. Chiefly poetic. 1. †a. Not shining; dull, dark; = opaque adj. 1b. Obsolete. ΘΚΠ the world > matter > light > darkness or absence of light > dimness or absence of brightness > [adjective] dima1000 darkOE troublea1327 palec1385 dullc1430 unclearc1440 unbright1534 cloudy1556 unlight1570 muddy1600 wan1601 opacous1616 filmy1642 illuminous1656 crepuscular1668 dumb1720 rayless1754 opaque1794 veilya1802 turbid1811 unlucent1819 ineffulgent1824 blear1830 unrefulgent1856 subluminous1860 subaqueous1875 shineless1882 1616 J. Rudston (title) A prognostication for the yeere of our Lord God 1616: deduced from the positions and variable mixtures of the rayes of the supreame and luminous bodies on this opacous globe of the earth. 1667 J. Milton Paradise Lost (1674) iii. 74 The firm opacous Globe Of this round World, whose first convex divides The luminous inferior Orbs. 1712 J. Browne tr. P. Pomet et al. Compl. Hist. Druggs I. 108 Too much of the Powder makes the Metal black and opacous. 1712 E. Arwaker Pia Desideria (ed. 4) x. 49 Tho' glorious all in our dim Eyes they shine, Are only small Opacous Orbs in thine. 1713 A. Collier Clavis Universalis i. i. §2. 33 Is the Moon..a Luminous Thing?.. No; but a Dark or Opacous Body. 1846 Amer. Whig Rev. Oct. 422 All her numbered stars, roll Merely to officiate light Round this opacous earth. b. Not illuminated; = opaque adj. 1a. Now rare. ΘΚΠ the world > matter > light > darkness or absence of light > darkness or gloom > [adjective] > dim, dark, or obscure obscurea1425 opaque?1440 caliginousc1550 half-dark1576 murksome1590 opacousa1627 twilight1645 shadowy1840 twilighty1856 twilighted1865 twilit1869 a1627 T. Middleton & W. Rowley Changeling (1653) v. sig. I3 What an opacous body had that moon: That last chang'd on us. 1657 G. Thornley tr. Longus Daphnis & Chloe 52 This Garden is thick, opacous, and shady. 1709 Taffy's Triumph 12 Trusting To the dark Covert of th' Opacous Night. 1805–20 W. Blake Jerusalem iv. Pl. 86 I see thy Form O lovely mild Jerusalem Wingd With Six Wings In the opacous Bosom of the Sleeper. 1916 B. More tr. Ovid Ceres & Proserpina in W. Brewer & B. More Life & Poems of B. More (1940) 147 She reigned a queen, Supremely great in that opacous world—Queen consort to the King of Hell. †2. Not transmitting light; = opaque adj. 2a. Obsolete. ΘΚΠ the world > matter > light > transparency or translucence > opacity > [adjective] troublea1327 nebulous?a1425 cloudy1587 shady1605 untransparent1605 untransparablea1618 opacous1625 opaque1631 opacious1643 non-transparent1653 adiaphanous1658 undiaphanous1666 opacular1761 intransparent1842 opacious1953 1625 N. Carpenter Geogr. Delineated i. i. 11 The shadowes imitate the opacous bodies, whence they arise. 1662 C. Merrett tr. A. Neri Art of Glass xlii The glass becomes transparent, and no more Opacous. 1753 B. Franklin Let. 4 Feb. in Sel. Sci. Let. (1931) 209 Suppose opacous particles to be equally mix'd in the space between the two circular lines. 1814 H. F. Cary tr. Dante Vision II. xvii. 75 Through which thou saw'st no better, than the mole Doth through opacous membrane. 1868 J. R. Lowell Under Willows 201 The sound of human voice Or footfall..Doth in opacous cloud precipitate The consciousness. 1892 A. Bierce Black Beetles in Amber 103 In his brain's opacous clot, ah He has got a maggot! Derivatives † opacously adv. Obsolete opaquely. ΘΚΠ the world > matter > light > transparency or translucence > opacity > [adverb] cloudily1651 opacously1670 opaquely1747 1670 E. R. Animadversions Glanvill's Ne Plus Ultra 147 It seemed..opacously red as Tent wine. † opacousness n. Obsolete opaqueness. ΘΚΠ the world > matter > light > transparency or translucence > opacity > [noun] cloudiness1594 opacity1634 umbrosity1646 opaqueness1647 opacousness1656 filminess1870 intransparency1902 1656 T. Stanley Hist. Philos. II. v. 103 The first mind, by its opacousness eclipsing their lustre. 1666 R. Boyle Origine Formes & Qualities 171 Gravity and Levity, Firmnesse and Fluidity, Opacousnesse..Transparency, &c. This entry has been updated (OED Third Edition, June 2004; most recently modified version published online June 2022). < adj.1616
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