any fossil plant of the genus Calamites and related genera of the Carboniferous Period, resembling oversized horsetails and constituting much of the coal used as fuel.
- cal·a·mi·te·an [kal-uh-mahy-tee-uhn], /ˌkæl əˈmaɪ ti ən/, adjective
- ca·lam·i·toid [kuh-lam-i-toid], /kəˈlæm ɪˌtɔɪd/, adjective
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How to use calamite in a sentence
Among tissue petrifactions there are many calamite stems of various stages of growth.Ancient Plants | Marie C. Stopes
calamite, kal′a-mīt, n. a fossil plant abundant in the coal-measures, believed to be a kind of gigantic horse-tails (Equisetace).
British Dictionary definitions for calamite
any extinct treelike plant of the genus Calamites, of Carboniferous times, related to the horsetails
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