01 n. An alkaloid found in the Calabar bean (the seed of Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or cry…
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An alkaloid found in the Calabar bean (the seed of Physostigma venenosum), and extracted as a white, tasteless, substance, amorphous or crystalline; -- formerly called eserine, with which it was regarded as identical.(Chem.) Also: eserine