noun epi·theca \"+\

Definition of epitheca

  1. 1 :  an external calcareous layer investing the lower portion of the theca of many corals

  2. 2 :  the outer or upper half or valve of the diatom frustule — compare hypotheca


\"+\ or


\"+\ adjective

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Origin and Etymology of epitheca

New Latin, from epi- + -theca

Seen and Heard

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a rounded knoll or a ridge of ice

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