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

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.


© Webster 1913.

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