heneicosenoicadj.

Brit.

/ˌhɛnʌɪkɒsᵻˈnəʊɪk/, U.S.

/ˌhɛnaɪˌkɑsiˈnoʊɪk/

Forms: 1800s– henicosenoic, 1900s– heneicosenoic.

Origin: Formed within English, by derivation. Etymons: heneicosane n., -oic comb. form.

Etymology: < heneicosane n., with substitution of -ene comb. form for -ane suffix² + -oic comb. form.

Chemistry.

Designating unsaturated aliphatic compounds containing a chain of twenty-one carbon atoms including one double bond. Chiefly in heneicosenoic acid n. any of a number of carboxylic acids having the formula C₂₀H₃₉COOH.

ΚΠ

1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 674/2 Henicosenoic aldehyde C₂₁H₄₀O.

1930 Jrnl. Chem. Soc. 750 Trans-4-Keto-Δ¹²-heneicosenoic Acid.

2014 Jrnl. Med. Entomol. 51 1237 Heneicosenoic acid was found on females at more than twice the level of males, suggesting it could be a component of a female pheromone.

This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022).

单词	heneicosenoic
释义	heneicosenoicadj. Brit. /ˌhɛnʌɪkɒsᵻˈnəʊɪk/, U.S. /ˌhɛnaɪˌkɑsiˈnoʊɪk/ Forms: 1800s– henicosenoic, 1900s– heneicosenoic. Origin: Formed within English, by derivation. Etymons: heneicosane n., -oic comb. form. Etymology: < heneicosane n., with substitution of -ene comb. form for -ane suffix² + -oic comb. form. Chemistry. Designating unsaturated aliphatic compounds containing a chain of twenty-one carbon atoms including one double bond. Chiefly in heneicosenoic acid n. any of a number of carboxylic acids having the formula C₂₀H₃₉COOH. ΚΠ 1889 H. F. Morley & M. M. P. Muir Watts' Dict. Chem. (rev. ed.) II. 674/2 Henicosenoic aldehyde C₂₁H₄₀O. 1930 Jrnl. Chem. Soc. 750 Trans-4-Keto-Δ¹²-heneicosenoic Acid. 2014 Jrnl. Med. Entomol. 51 1237 Heneicosenoic acid was found on females at more than twice the level of males, suggesting it could be a component of a female pheromone. This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022). < adj.1889
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