aq.n.

Brit.

/ak/, U.S.

/æk/

Forms: 1600s– aq. (with point), 1700s–1800s aq (without point).

Origin: Formed within English, by clipping or shortening. Etymons: Latin aqua ; water n.

Etymology: In sense 1, occurring as a graphic abbreviation for post-classical Latin aqua aqua n.¹ in various post-classical Latin and borrowed phrases, as aqua regia n., etc. (see aqua n.¹). In sense 2, a symbolic abbreviation for water n., after uses in sense 1.

Now rare.

1. Chemistry and Medicine. = aqua n.¹

ΘΚΠ

the world > matter > liquid > [noun]

liquor?c1225

aquaa1398

moisture?1406

subtilesa1598

fluxure1603

aq.1639

fluor1654

fluid1661

liquid1708

1639 Distiller of London 18 Aq. Calendulæ Marigold water.

1690 J. Locke Ess. Humane Understanding ii. xxiii. 139 The Power of being melted, but of keeping its weight in the Fire, of being dissolved in Aq. Regia.

1767 B. Gooch Pract. Treat. Wounds I. 319 When the Dura Mater is granulated with flesh, the sindon or lint, moistened with..Tinct. Myrrhæ and Aq. Calcis, is a good application.

1840 Rep. Brit. Assoc. Advancem. Sci. 1839 57 The effervescence & elastic vapours produced during their solution in aq. fort. or aq. regia.

1889 Chemist & Druggist 24 Aug. 287/2 For an invisible ink which will appear on heating, use..a solution of cobalt in aq. regia.

1968 H. O. Mackey & J. P. Mackey Handbk. Dis. Skin (ed. 9) xv. 144 Ung. aq. rosæ equal parts to one ounce.

2. Chemistry. Water as an ingredient of a mixture, component of a formula, etc.

ΚΠ

1822 Edinb. Philos. Jrnl. 7 11 The formula of the first is CS³ + 3 AS³ + 6 Aq.

1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) vii. 215 Cy 2 + oxygen 2 + Aq. 1 forms fulminic acid.

1913 H. J. Wheeler Manures & Fertilizers xxiv. 352 Toxic iron protosulfate (FeSO₄ + Aq.) may be formed by the oxidation of iron sulfid.

This entry has been updated (OED Third Edition, June 2011; most recently modified version published online December 2021).

aqadj.

Brit.

/eɪk/, U.S.

/eɪk/

Forms: 1800s– aq, 1800s– aq. (with point).

Origin: Formed within English, by clipping or shortening. Etymon: aqueous adj.

Etymology: Shortened from aqueous adj., as a graphic abbreviation. Compare earlier aq. n.

Chemistry.

Aqueous. Chiefly as postmodifier, denoting a substance which is in solution.

ΚΠ

1887 Chem. News 56 162/1 With the single exception of H₂O,Aq=0 we have not the slightest knowledge of the value of any of the terms of the above statement.

1917 Chem. Abstr. 9 2577 Propiolactone..was prepd. by treating an aq. soln. of CH₂ICH₂CO₂Na with AgNO₃.

1978 G. C. Hill & J. S. Holman Chem. in Context xxii. 333 The concentrations of BrO₃⁻(aq) were obtained by pipetting off a measured volume of the aqueous solution.

2008 Guardian (Nexis) 1 July 14 A chemist reacted 0.0500 mol of sodium with water to form 50.0 cm3 of aqueous sodium hydroxide. 2Na(s) + 2H₂O(l) 2NaOH(aq) + H₂(g).

This entry has been updated (OED Third Edition, June 2011; most recently modified version published online December 2021).

单词	aq
释义	aq.n. Brit. /ak/, U.S. /æk/ Forms: 1600s– aq. (with point), 1700s–1800s aq (without point). Origin: Formed within English, by clipping or shortening. Etymons: Latin aqua ; water n. Etymology: In sense 1, occurring as a graphic abbreviation for post-classical Latin aqua aqua n.¹ in various post-classical Latin and borrowed phrases, as aqua regia n., etc. (see aqua n.¹). In sense 2, a symbolic abbreviation for water n., after uses in sense 1. Now rare. 1. Chemistry and Medicine. = aqua n.¹ ΘΚΠ the world > matter > liquid > [noun] liquor?c1225 aquaa1398 moisture?1406 subtilesa1598 fluxure1603 aq.1639 fluor1654 fluid1661 liquid1708 1639 Distiller of London 18 Aq. Calendulæ Marigold water. 1690 J. Locke Ess. Humane Understanding ii. xxiii. 139 The Power of being melted, but of keeping its weight in the Fire, of being dissolved in Aq. Regia. 1767 B. Gooch Pract. Treat. Wounds I. 319 When the Dura Mater is granulated with flesh, the sindon or lint, moistened with..Tinct. Myrrhæ and Aq. Calcis, is a good application. 1840 Rep. Brit. Assoc. Advancem. Sci. 1839 57 The effervescence & elastic vapours produced during their solution in aq. fort. or aq. regia. 1889 Chemist & Druggist 24 Aug. 287/2 For an invisible ink which will appear on heating, use..a solution of cobalt in aq. regia. 1968 H. O. Mackey & J. P. Mackey Handbk. Dis. Skin (ed. 9) xv. 144 Ung. aq. rosæ equal parts to one ounce. 2. Chemistry. Water as an ingredient of a mixture, component of a formula, etc. ΚΠ 1822 Edinb. Philos. Jrnl. 7 11 The formula of the first is CS³ + 3 AS³ + 6 Aq. 1850 C. G. B. Daubeny Introd. Atomic Theory (ed. 2) vii. 215 Cy 2 + oxygen 2 + Aq. 1 forms fulminic acid. 1913 H. J. Wheeler Manures & Fertilizers xxiv. 352 Toxic iron protosulfate (FeSO₄ + Aq.) may be formed by the oxidation of iron sulfid. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online December 2021). aqadj. Brit. /eɪk/, U.S. /eɪk/ Forms: 1800s– aq, 1800s– aq. (with point). Origin: Formed within English, by clipping or shortening. Etymon: aqueous adj. Etymology: Shortened from aqueous adj., as a graphic abbreviation. Compare earlier aq. n. Chemistry. Aqueous. Chiefly as postmodifier, denoting a substance which is in solution. ΚΠ 1887 Chem. News 56 162/1 With the single exception of H₂O,Aq=0 we have not the slightest knowledge of the value of any of the terms of the above statement. 1917 Chem. Abstr. 9 2577 Propiolactone..was prepd. by treating an aq. soln. of CH₂ICH₂CO₂Na with AgNO₃. 1978 G. C. Hill & J. S. Holman Chem. in Context xxii. 333 The concentrations of BrO₃⁻(aq) were obtained by pipetting off a measured volume of the aqueous solution. 2008 Guardian (Nexis) 1 July 14 A chemist reacted 0.0500 mol of sodium with water to form 50.0 cm3 of aqueous sodium hydroxide. 2Na(s) + 2H₂O(l) 2NaOH(aq) + H₂(g). This entry has been updated (OED Third Edition, June 2011; most recently modified version published online December 2021). < n.1639adj.1887
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