heneicosoicadj.

Brit.

/ˌhɛnʌɪkəˈsəʊɪk/, U.S.

/ˌhɛnaɪkəˈsoʊɪk/

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

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

Chemistry.

heneicosoic acid n. a saturated carboxylic acid containing twenty-one carbon atoms; = heneicosanoic acid n. at heneicosanoic adj.

ΚΠ

1915 Jrnl. Chem. Soc. 107 i. 738 Heneicosoic acid, CH₃·[CH₂]₁₉ ·CO₂H, is readily soluble in ether.

1975 L. J. Bellamy Infra-red Spectra Complex Molecules (ed. 3) x. 197 As the carbon chain lengthens the number of such bands increased and heneicosoic acid (C₂₁) shows nine such bands, the lowest being at 1184 cm^-1.

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

单词	heneicosoic
释义	heneicosoicadj. Brit. /ˌhɛnʌɪkəˈsəʊɪk/, U.S. /ˌhɛnaɪkəˈsoʊɪk/ Origin: Formed within English, by derivation. Etymons: heneicosane n., -oic comb. form. Etymology: < heneicosane n., with omission of -ane suffix² + -oic comb. form. Chemistry. heneicosoic acid n. a saturated carboxylic acid containing twenty-one carbon atoms; = heneicosanoic acid n. at heneicosanoic adj. ΚΠ 1915 Jrnl. Chem. Soc. 107 i. 738 Heneicosoic acid, CH₃·[CH₂]₁₉ ·CO₂H, is readily soluble in ether. 1975 L. J. Bellamy Infra-red Spectra Complex Molecules (ed. 3) x. 197 As the carbon chain lengthens the number of such bands increased and heneicosoic acid (C₂₁) shows nine such bands, the lowest being at 1184 cm^-1. This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022). < adj.1915
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