| 单词 | petromyzontoid | 
| 释义 | Definition of petromyzontoid in English:petromyzontoidnoun ˌpɛtrə(ʊ)mʌɪˈzɒntɔɪd Zoology rare 
 OriginMid 19th century; earliest use found in Theodore Gill (1837–1914). From scientific Latin Petromyzont- + -oid, after Petromyzontidae. In later use after scientific Latin Petromyzontoidea, superfamily name. Definition of petromyzontoid in US English:petromyzontoidnounˌpɛtrə(ʊ)mʌɪˈzɒntɔɪd Zoology rare 
 OriginMid 19th century; earliest use found in Theodore Gill (1837–1914). From scientific Latin Petromyzont- + -oid, after Petromyzontidae. In later use after scientific Latin Petromyzontoidea, superfamily name.  | 
	
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