heneicosanoicadj.

Brit.

/ˌhɛnʌɪkɒsəˈnəʊɪk/, U.S.

/ˌhɛnaɪˌkɑsəˈnoʊɪk/

Forms: see heneicosane n. and -oic comb. form.

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

Etymology: < heneicosane n. + -oic comb. form.

Chemistry.

heneicosanoic acid n. a saturated carboxylic acid containing twenty-one carbon atoms, esp. (also n-heneicosanoic acid) the unbranched isomer.Formula: C₂₀H₄₁COOH.

ΚΠ

1934 Biochem. Jrnl. 28 320 In a mixed melt with synthetic n-heneicosanoic acid, M.P. 74.2-74.6° the M.P. was depressed to 70.5°.

1951 R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. VI. 257 Heneicosanoic acid, C₂₁H₄₂O₂, has been reported to occur in Japanese wax and earth-nut oil, but the evidence presented indicates that it is not found in natural fats and waxes.

2014 B. D. Stripe & P. Dutta in E. DiMasi & L. B. Gower Biomineralization Sourcebk. ii. 24/2 We show in Figure 2.3..data from lead carbonate crystals growing under heneicosanoic acid monolayers.

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

单词	heneicosanoic
释义	heneicosanoicadj. Brit. /ˌhɛnʌɪkɒsəˈnəʊɪk/, U.S. /ˌhɛnaɪˌkɑsəˈnoʊɪk/ Forms: see heneicosane n. and -oic comb. form. Origin: Formed within English, by derivation. Etymons: heneicosane n., -oic comb. form. Etymology: < heneicosane n. + -oic comb. form. Chemistry. heneicosanoic acid n. a saturated carboxylic acid containing twenty-one carbon atoms, esp. (also n-heneicosanoic acid) the unbranched isomer.Formula: C₂₀H₄₁COOH. ΚΠ 1934 Biochem. Jrnl. 28 320 In a mixed melt with synthetic n-heneicosanoic acid, M.P. 74.2-74.6° the M.P. was depressed to 70.5°. 1951 R. E. Kirk & D. F. Othmer Encycl. Chem. Technol. VI. 257 Heneicosanoic acid, C₂₁H₄₂O₂, has been reported to occur in Japanese wax and earth-nut oil, but the evidence presented indicates that it is not found in natural fats and waxes. 2014 B. D. Stripe & P. Dutta in E. DiMasi & L. B. Gower Biomineralization Sourcebk. ii. 24/2 We show in Figure 2.3..data from lead carbonate crystals growing under heneicosanoic acid monolayers. This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022). < adj.1934
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