Definition of protorosaur in English:

protorosaur

(also proterosaur)

noun ˈprəʊt(ə)rə(ʊ)sɔː

An early fossil reptile of the genus Protorosaurus or the order Protorosauria (now often called Araeoscelidia).

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From scientific Latin Protorosaurus (or Proterosaurus) Protorosaurus: see -saur.

Definition of protorosaur in US English:

protorosaur

(also proterosaur)

nounˈprəʊt(ə)rə(ʊ)sɔː

An early fossil reptile of the genus Protorosaurus or the order Protorosauria (now often called Araeoscelidia).

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From scientific Latin Protorosaurus (or Proterosaurus) Protorosaurus: see -saur.

单词	protorosaur
释义	Definition of protorosaur in English: protorosaur (also proterosaur) noun ˈprəʊt(ə)rə(ʊ)sɔː An early fossil reptile of the genus Protorosaurus or the order Protorosauria (now often called Araeoscelidia). Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From scientific Latin Protorosaurus (or Proterosaurus) Protorosaurus: see -saur. Definition of protorosaur in US English: protorosaur (also proterosaur) nounˈprəʊt(ə)rə(ʊ)sɔː An early fossil reptile of the genus Protorosaurus or the order Protorosauria (now often called Araeoscelidia). Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From scientific Latin Protorosaurus (or Proterosaurus) Protorosaurus: see -saur.
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