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Butyric. World English Historical Dictionary

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Butyric. World English Historical Dictionary Dictionary Biographies Literary Criticism Welcome Terms of Service ⧏ Previous Next ⧐ Contents Slice Contents Key Bibliographic Record Murray’s New English Dictionary. 1888, rev. 2024. Butyric a. Chem. [f. as prec. + -IC.] Of or pertaining to butter, esp. in reference to its chemical constitution and formation. Hence:

1   1.  Butyric acid, the monatomic, monobasic, fatty acid of the BUTYL series, C4 H8 O2, of which there are two modifications, normal butyric and isobutyric acid; the former occurring in butter, cod-liver oil, and other substances, is a colorless viscous liquid, with a smell suggestive of both vinegar and rancid butter. Its salts are butyrates.

2 1826.  [see BUTYR-].

3 1839–47.  Todd, Cycl. Anat., III. 359/1. Chevreul … has named them the butyric, caproic, and capric acids.

4 1845.  G. Day, trans. Simon’s Anim. Chem., I. 78. By … fermentation butyric acid may be obtained from sugar … the fermentation, at first viscous, subsequently lactic, gradually becomes butyric.

5 1871.  Tyndall, Fragm. Sc. (ed. 6), II. xii. 275. Air … is according to Pasteur, absolutely deadly to the vibrios which provoke the butyric acid fermentation.

6   2.  Butyric series: the series of compound bodies related to Butyric acid, or containing the radical BUTYRYL, C4 H7 O; as Butyric aldehyde, C4 H8 O; Butyric ether or Ethyl butyrate, C2 H5 . C4 H7 O2, a colorless oily liquid, having a pleasant fruity odor; Butyric anhydride or oxide (C2 H7 O)2O.

7 1854.  Scoffern, in Orr’s Circ. Sc., Chem. 109. Butyric ether and butyric methyl ether.

8 1863.  Watts, Dict. Chem. (1879), I. 695. To the presence of small quantities of butyric ether, the peculiar flavour of pine-apples, melons, and some other fruits is due. Ibid. Butyric anhydride is a colourless, very mobile, and highly refracting liquid.

9   Hence Butyrically adv.

10 1876.  trans. Schützenberger’s Ferment., 209. A great number of compounds are susceptible of fermenting butyrically.

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