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From Ancient Greek βελόνη (belónē, a needle) + -ite (rock, mineral or fossil).


belonite (plural belonites)

  1. One of the minute acicular or dendritic crystalline forms sometimes observed in glassy volcanic rocks.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for belonite in
Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)