hendecatoicadj.

Brit.

/ˌhɛndɛkəˈtəʊɪk/, U.S.

/ˌhɛnˌdɛkəˈtoʊɪk/

Origin: Perhaps formed within English, by compounding. Etymons: hendeca- comb. form, heptoic adj. at heptane n. Derivatives, octoic adj., pentoic adj.

Etymology: Perhaps < hendeca- comb. form + -toic (in e.g. heptoic adj. at heptane n. Derivatives, octoic adj., pentoic adj., in all of which the -t- forms part of the stem).

Chemistry. Now rare or disused.

Used to designate aliphatic compounds containing a chain of eleven carbon atoms. Chiefly in hendecatoic acid n. the carboxylic acid CH₃(CH₂)₉COOH, more usually called undecanoic acid.

ΚΠ

1881 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. i. 647 In this case it [sc. castor-oil] is almost completely converted into œnanthal and hendecatoic acid.

1881 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. i. 666 Greville Williams also examined this oil, and came to the conclusion that it contains hendecatoic aldehyde.

1936 U.S. Patent 2,050,927 1/2 The addition product of hendecenoic acid is the substitution product, at least hypothetically, of hendecatoic acid.

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

单词	hendecatoic
释义	hendecatoicadj. Brit. /ˌhɛndɛkəˈtəʊɪk/, U.S. /ˌhɛnˌdɛkəˈtoʊɪk/ Origin: Perhaps formed within English, by compounding. Etymons: hendeca- comb. form, heptoic adj. at heptane n. Derivatives, octoic adj., pentoic adj. Etymology: Perhaps < hendeca- comb. form + -toic (in e.g. heptoic adj. at heptane n. Derivatives, octoic adj., pentoic adj., in all of which the -t- forms part of the stem). Chemistry. Now rare or disused. Used to designate aliphatic compounds containing a chain of eleven carbon atoms. Chiefly in hendecatoic acid n. the carboxylic acid CH₃(CH₂)₉COOH, more usually called undecanoic acid. ΚΠ 1881 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. i. 647 In this case it [sc. castor-oil] is almost completely converted into œnanthal and hendecatoic acid. 1881 H. E. Roscoe & C. Schorlemmer Treat. Chem. III. i. 666 Greville Williams also examined this oil, and came to the conclusion that it contains hendecatoic aldehyde. 1936 U.S. Patent 2,050,927 1/2 The addition product of hendecenoic acid is the substitution product, at least hypothetically, of hendecatoic acid. This entry has been updated (OED Third Edition, December 2019; most recently modified version published online March 2022). < adj.1881
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