| 单词 | planoblast |
| 释义 | planoblast in British English (ˈplænəblɑːst) noun a hydroid jellyfish planoblast in American English (ˈplænəˌblæst) noun Zoology the medusa of a hydroid Derived forms planoblastic adjective Word origin [1870–75; plano-2 + -blast]This word is first recorded in the period 1870–75. Other words that entered Englishat around the same time include: Mafia, asymmetric, fifth wheel, immobilize, onshore-blast is a suffix meaning “bud, sprout,” “embryo,” “formative cells or cell layer”. Otherwords that use the affix -blast include: epiblast, hypoblast, mesoblast, myoblast, odontoblast |
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