citro-comb. form

Stress is usually determined by a subsequent element and vowels may be reduced accordingly.

Forms: before a vowel citr-.

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin citrus , -o- connective.

Etymology: < classical Latin citrus citrus n. + -o- connective. Compare French citro- (formations in which are found from the first half of the 19th cent.).Formations are found from the first half of the 19th cent., e.g. citrometer n.

Chiefly Chemistry.

Categories »

Forming words related to citrus fruits, esp. the names of substances obtained from such fruits or related to citric acid.

citramide n.

Brit.

/ˈsɪtrəmʌɪd/

U.S.

/ˈsɪtrəˌmaɪd/

[ < citro- comb. form + amide n., after French citramide (P. Demondesir 1851, in Comptes rendus hebd. de l'Acad. des Sci. 33 229)] an amide of citric acid, esp. the triamide (see quot. 1926).

ΚΠ

1851 Chem. Gaz. 1 Nov. 407 The same reagent furnishes..citramide as the final product.

1926 E. W. Washburn et al. Internat. Crit. Tables Numerical Data I. 202 (table) Citramide. (H₂NOCCH₂)₂C(OH)CONH₂.

1931 Philos. Trans. (Royal Soc.) B. 220 246 Citramide from pure citric acid melted at 207–208°C.

2006 In Vitro Cellular & Developmental Biol. 42 153/1 Apical domes..were cleansed with 1% Citramide.

† citroglycerin n. Obsolete any of the glycerides of citric acid.

ΚΠ

1860 Q. Jrnl. Chem. Soc. 12 247 Van Bemmelen obtained succinine, benzosuccinine, and citro-glycerine by heating glycerine to 220° C. with succinic acid, with a mixture of benzoic and succinic acids, and with citric acid.

1863 H. Watts Dict. Chem. I. 1001 Citroglycerins...Two of these compounds have been obtained by heating citric acid with glycerin.

citro-tartrate n.

Brit.

/ˌsɪtrə(ʊ)ˈtɑːtreɪt/

U.S.

/ˌsɪtroʊˈtɑrˌtreɪt/

(a) a mixed salt of citric and tartaric acids; esp. a mixture of citric and tartaric acids with a bicarbonate (usually that of sodium) as an effervescent preparation; †(b) = citratartrate (obsolete rare).

ΚΠ

1862 Brit. Med. Jrnl. 17 May 55/2 (advt.) Curtis & Co.'s new remedies..Granulated citro-tartrate of soda [etc.].

1889 N.E.D. at Citr- Citro-tartaric acid..; its salts are citro-tartrates.

1914 Maryland Med. Jrnl. June p. xxii (advt.) Citrolax is an effervescent tablet of Magnesium Citrate and a nascent double salt of citro-tartrate of Sodium.

2011 B. Bryant & K. Knights Pharmacol. Health Professionals (ed. 3) ii. 42 Contents included..sodium citro-tartrate, for urinary alkalinisation.

This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022).

单词	citro-
释义	citro-comb. form Stress is usually determined by a subsequent element and vowels may be reduced accordingly. Forms: before a vowel citr-. Origin: A borrowing from Latin, combined with an English element. Etymons: Latin citrus , -o- connective. Etymology: < classical Latin citrus citrus n. + -o- connective. Compare French citro- (formations in which are found from the first half of the 19th cent.).Formations are found from the first half of the 19th cent., e.g. citrometer n. Chiefly Chemistry. Categories » Forming words related to citrus fruits, esp. the names of substances obtained from such fruits or related to citric acid. citramide n. Brit. /ˈsɪtrəmʌɪd/ , U.S. /ˈsɪtrəˌmaɪd/ [ < citro- comb. form + amide n., after French citramide (P. Demondesir 1851, in Comptes rendus hebd. de l'Acad. des Sci. 33 229)] an amide of citric acid, esp. the triamide (see quot. 1926). ΚΠ 1851 Chem. Gaz. 1 Nov. 407 The same reagent furnishes..citramide as the final product. 1926 E. W. Washburn et al. Internat. Crit. Tables Numerical Data I. 202 (table) Citramide. (H₂NOCCH₂)₂C(OH)CONH₂. 1931 Philos. Trans. (Royal Soc.) B. 220 246 Citramide from pure citric acid melted at 207–208°C. 2006 In Vitro Cellular & Developmental Biol. 42 153/1 Apical domes..were cleansed with 1% Citramide. † citroglycerin n. Obsolete any of the glycerides of citric acid. ΚΠ 1860 Q. Jrnl. Chem. Soc. 12 247 Van Bemmelen obtained succinine, benzosuccinine, and citro-glycerine by heating glycerine to 220° C. with succinic acid, with a mixture of benzoic and succinic acids, and with citric acid. 1863 H. Watts Dict. Chem. I. 1001 Citroglycerins...Two of these compounds have been obtained by heating citric acid with glycerin. citro-tartrate n. Brit. /ˌsɪtrə(ʊ)ˈtɑːtreɪt/ , U.S. /ˌsɪtroʊˈtɑrˌtreɪt/ (a) a mixed salt of citric and tartaric acids; esp. a mixture of citric and tartaric acids with a bicarbonate (usually that of sodium) as an effervescent preparation; †(b) = citratartrate (obsolete rare). ΚΠ 1862 Brit. Med. Jrnl. 17 May 55/2 (advt.) Curtis & Co.'s new remedies..Granulated citro-tartrate of soda [etc.]. 1889 N.E.D. at Citr- Citro-tartaric acid..; its salts are citro-tartrates. 1914 Maryland Med. Jrnl. June p. xxii (advt.) Citrolax is an effervescent tablet of Magnesium Citrate and a nascent double salt of citro-tartrate of Sodium. 2011 B. Bryant & K. Knights Pharmacol. Health Professionals (ed. 3) ii. 42 Contents included..sodium citro-tartrate, for urinary alkalinisation. This entry has been updated (OED Third Edition, June 2014; most recently modified version published online March 2022). < comb. form1851
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