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单词 biostromal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
bi•o•strome  (bīə strōm′),USA pronunciation n. [Geol.]
  1. Geologya bedded, blanketlike sedimentary deposit of organic origin built by marine organisms and including shell beds, flat reefs, and corals.
  • 1930–35; bio- + Greek strôma layer, bed; see stroma
bi′o•stromal, adj. 

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更新时间:2024/11/11 11:18:42