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单词 platoid
释义

platoidadj.

Origin: Formed within English, by derivation. Etymons: platode n., -oid suffix.
Etymology: < plat- (in platode n.) + -oid suffix, after cestoid adj., trematoid adj. and n. at trematode adj. and n. Derivatives, etc. Compare platode adj. N.E.D. (1907) gives the pronunciation as (plæ·toid) /ˈplætɔɪd/.
Zoology. Obsolete. rare.
Designating a worm of the phylum Platyhelminthes (flatworms).
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the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective]
platyhelminth1883
platoid1890
1890 Cent. Dict. Platoid, broad or flat, as a worm.
1894 W. S. Windle in Pop. Sci. Monthly Feb. 454 Besides larvae, numerous adult forms, as..platoid worms..are collected.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online June 2018).
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adj.1890
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