'Thomsonite' definitions:

Definition of 'Thomsonite'

From: GCIDE

Thomsonite \Thom"son*ite\, n. [From R. D. Thomson, of Glasgow.] (Min.) A zeolitic mineral, occurring generally in masses of a radiated structure. It is a hydrous silicate of aluminia, lime, and soda. Called also mesole, and comptonite. [1913 Webster]