coniine

American  

[koh-nee-een, -in, -neen] / ˈkoʊ niˌin, -ɪn, -nin /

Also conin

noun

1. a volatile, highly poisonous alkaloid, C 8 H 17 N, constituting the active principle of the poison hemlock.

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coniine British  

/ -nɪɪn, -nɪn, -niːn, ˈkəʊnɪn, ˈkəʊnɪˌiːn, ˈkəʊniːn /

noun

1. Also called: cicutine.   conicine.  a colourless poisonous soluble liquid alkaloid found in hemlock; 2-propylpiperidine. Formula: C 5 H 10 NC 3 H 7

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Etymology

Origin of coniine

First recorded in 1825–35; coni(um) + -ine ²

Example Sentences

Hemlock on the other hand contains five alkaloids - coniine, conhydrine, pseudoconhydrine, methyl-coniine and ethyl-piperidine - which cause violent vomiting and paralysis of the nervous system.

From BBC • Jul. 10, 2023

The author has formed a number of salts from coniine thus prepared, and finds them all crystallizable and unaffected by light.—Berichte der deutschen chemischen Gesellschaft.—Chem. and Druggist.

From Scientific American Supplement, No. 315, January 14, 1882 by Various

Alkaloids are usually odorless; although nicotine, coniine, and a few others, have strong, characteristic odors.

From The Chemistry of Plant Life by Thatcher, Roscoe Wilfred

The B method yields a less percentage of coniine than A, but of a better quality.

From Scientific American Supplement, No. 315, January 14, 1882 by Various

The synthesis of coniine by Ladenburg is one of the most notable achievements of modern chemistry.

From Scientific American Supplement, No. 623, December 10, 1887 by Various