ESERINE

Etymology

Noun

eserine (plural eserines)

(chemistry) An alkaloid C₁₅H₂₁N₃O₂, originally extracted from the Calabar bean.

Synonyms

• physostigmine

Source: Wiktionary


Es"er*ine (; 104), n. Etym: [From native name of the Calabar bean: cf. F. ésérine.] (Chem.)

Definition: An alkaloid found in the Calabar bean, and the seed of Physostigma venenosum; physostigmine. It is used in ophthalmic surgery for its effect in contracting the pupil.

Source: Webster’s Unabridged Dictionary 1913 Edition



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8 May 2025

INSULATION

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Coffee Trivia

The word “coffee” entered the English language in 1582 via the Dutch “koffie,” borrowed from the Ottoman Turkish “kahve,” borrowed in turn from the Arabic “qahwah.” The Arabic word qahwah was traditionally held to refer to a type of wine.

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