propanoicadj.

Brit.

/ˌprəʊpəˈnəʊɪk/, U.S.

/ˌproʊpəˈnoʊɪk/

Origin: Formed within English, by compounding. Etymons: propane n., -oic comb. form.

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

Chemistry.

propanoic acid n. a colourless, sharp-smelling, liquid carboxylic acid, used (as are several of its salts and esters) as a food additive, esp. to inhibit mould growth in bread; also called propionic acid.Formula: CH₃CH₂COOH.

ΚΠ

1926 Industr. & Engin. Chem. 18 321 Acids will be named ethanecarboxylic (instead of propanoic)..and so on.

1949 G. B. Bachman Org. Chem. xi. 110 Propanoic, propenoic, and propynoic acids are isologs of each other.

1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) iii. 63 Ethanedioic (oxalic), propane-1,3-dioic (malonic) and butane-1,4-dioic (succinic) acids are each weaker in their second dissociations than methanoic, ethanoic and propanoic acids, respectively.

2002 Appl. Catalysis A. 228 139 (title) Kinetics of esterification of propanoic acid with methanol.

This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	propanoic
释义	propanoicadj. Brit. /ˌprəʊpəˈnəʊɪk/, U.S. /ˌproʊpəˈnoʊɪk/ Origin: Formed within English, by compounding. Etymons: propane n., -oic comb. form. Etymology: < propane n. + -oic comb. form. Chemistry. propanoic acid n. a colourless, sharp-smelling, liquid carboxylic acid, used (as are several of its salts and esters) as a food additive, esp. to inhibit mould growth in bread; also called propionic acid.Formula: CH₃CH₂COOH. ΚΠ 1926 Industr. & Engin. Chem. 18 321 Acids will be named ethanecarboxylic (instead of propanoic)..and so on. 1949 G. B. Bachman Org. Chem. xi. 110 Propanoic, propenoic, and propynoic acids are isologs of each other. 1981 P. Sykes Guidebk. to Mechanism in Org. Chem. (ed. 5) iii. 63 Ethanedioic (oxalic), propane-1,3-dioic (malonic) and butane-1,4-dioic (succinic) acids are each weaker in their second dissociations than methanoic, ethanoic and propanoic acids, respectively. 2002 Appl. Catalysis A. 228 139 (title) Kinetics of esterification of propanoic acid with methanol. This is a new entry (OED Third Edition, June 2007; most recently modified version published online March 2022). < adj.1926
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