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单词 neoblast
释义

neoblast

/ˈnɪə(ʊ)blɑːst/ /ˈnɪə(ʊ)blast/
noun
1 Zoology. In a planarian or other worm: any of the large undifferentiated cells in various worms, especially planarian flatworms, whose division brings about the regeneration of lost portions of the body.
2 Geology. A crystalline grain in a rock, especially a metamorphic rock, that is of more recent formation than other grains in the rock.

Origin

Late 19th century. From neo- + -blast. Compare slightly earlier neoblastic.

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更新时间:2025/3/23 2:31:12