Thomsonite

Definitions

  • Webster's Revised Unabridged Dictionary
    • n Thomsonite (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.
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Century Dictionary and Cyclopedia
    • n thomsonite A mineral of the zeolite family, occurring generally in masses of a radiated structure, in spherical concretions or compact. It is a hydrous silicate of aluminium, calcium, and sodium.
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Etymology

Webster's Revised Unabridged Dictionary
From R. D. Thomson, of Glasgow