n.1.(Chem.) A glucoside found in the poisonous berries of a species of honeysuckle (Lonicera xylosteum), and extracted as a bitter, white, crystalline substance.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
(In May and August 2003, Rex Gooch presented words from which multiple cardinal numbers can be extracted, as ONE, SIX, TEN, SIXTY and SIXTY ONE from XYLOSTEIN, but this is a different kind of wordplay.)