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Webster 1913 Edition

Xylostein

Xy-los′te-in

,

Noun.

[

Xylo-

+ Gr.

ὀστέον

bone.]

(Chem.)

A glucoside found in the poisonous berries of a species of honeysuckle (

Lonicera xylosteum

), and extracted as a bitter, white, crystalline substance.