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单词 pentameroid
释义

Definition of pentameroid in English:

pentameroid

adjective pɛnˈtamərɔɪd
  • Of or relating to the extinct superfamily Pentameroidea or family Pentameridae of articulate brachiopods having roughly pentagonal shells, known from fossils of Ordovician to Devonian age.

noun pɛnˈtamərɔɪd
  • A pentameroid brachiopod.

Origin

Late 19th century; earliest use found in American Cyclopedia. From scientific Latin Pentamerus + -oid.

 
 

Definition of pentameroid in US English:

pentameroid

adjectivepɛnˈtamərɔɪd
  • Of or relating to the extinct superfamily Pentameroidea or family Pentameridae of articulate brachiopods having roughly pentagonal shells, known from fossils of Ordovician to Devonian age.

nounpɛnˈtamərɔɪd
  • A pentameroid brachiopod.

Origin

Late 19th century; earliest use found in American Cyclopedia. From scientific Latin Pentamerus + -oid.

 
 
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更新时间:2026/6/7 22:53:39