英语词汇“peristome”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

per•i•stome n.

Botanythe one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed.
Zoologyany of various structures or sets of parts that surround or form the walls of a mouth or mouthlike opening.

per′i•sto′mal, per•i•sto•mat•ic per′i•sto′mi•al, adj.

Collins Concise English Dictionary © HarperCollins Publishers::

peristome /ˈpɛrɪˌstəʊm/ n

a fringe of pointed teeth surrounding the opening of a moss capsule
any of various parts surrounding the mouth of invertebrates, such as echinoderms and earthworms, and of protozoans

Etymology: 18th Century: from New Latin peristoma, from peri- + Greek stoma mouth

单词	peristome
释义	WordReference Random House Unabridged Dictionary of American English © 2024 per•i•stome (per′ə stōm′),USA pronunciation n. Botanythe one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed. Zoologyany of various structures or sets of parts that surround or form the walls of a mouth or mouthlike opening. Neo-Latin peristoma. See peri-, -stome 1790–1800; per′i•sto′mal, per•i•sto•mat•ic (per′ə stə mat′ik),USA pronunciation per′i•sto′mi•al, adj. Collins Concise English Dictionary © HarperCollins Publishers:: peristome /ˈpɛrɪˌstəʊm/ n a fringe of pointed teeth surrounding the opening of a moss capsule any of various parts surrounding the mouth of invertebrates, such as echinoderms and earthworms, and of protozoans Etymology: 18th Century: from New Latin peristoma, from peri- + Greek stoma mouth
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