plural -s
: an extract made from cultures of a bacterium (Brucella abortus) and used in the diagnosis of contagious abortion of cattle

Word History


abort(ion) + -in (as in tuberculin)

Note: This word first appears in the Report of the Departmental Committee Appointed by the Board of Agriculture and Fisheries to Inquire into Epizootic Abortion, authored by John McFadyean and Stuart Stockman (London: HSMO, 1909-13); and in an abstract of the report in The Veterinary Journal (vol. 16, September 1909): "Abortin.—A material analogous to tuberculin was prepared from cultures of the bacillus of cattle abortion." (p. 474)

First Known Use

1909, in the meaning defined above

Time Traveler
The first known use of abortin was in 1909

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Dictionary Entries Near abortin

Cite this Entry

“Abortin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abortin. Accessed 23 Feb. 2024.

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