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单词 metaplasmic
释义

metaplasmicadj.

Brit. /ˌmɛtəˈplazmɪk/, U.S. /ˌmɛdəˈplæzmɪk/
Origin: Formed within English, by derivation. Etymons: metaplasm n.2, -ic suffix.
Etymology: < metaplasm n.2 + -ic suffix, after protoplasmic adj.
Biology. Chiefly Botany. Now historical.
Belonging to the metaplasm (metaplasm n.2).
ΚΠ
1881 Jrnl. Royal Microsc. Soc. 1 475 Strongly refractive granules..which the author regards not as metaplasmic enclosures, but as essential constituents of the protoplasmic body itself.
1898 Philos. Trans. (Royal Soc.) B. 190 403 Filling up the rest of the nuclear cavity, is a peculiar granular substance, which, following Strasburger, I have termed metaplasmic substance.
1900 E. B. Wilson Cell (ed. 2) i. 20 There is reason to believe that ‘protoplasmic’ and ‘metaplasmic’ granules cannot be separated by any definite limit, but are connected by various gradations.
1913 Bull. Torrey Bot. Club 40 154 The increase in the size of the cell is apparently due to an increase in the metaplasmic substances which form the source of the material that the cell excretes.
1941 Bot. Gaz. 102 490 Ferguson likewise does not recognize the presence of a metaplasmic substance in the egg nucleus.
This is a new entry (OED Third Edition, December 2001; most recently modified version published online March 2022).
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adj.1881
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