Definition of archosaur in English:

archosaur

noun ˈɑːkəsɔːˈärkəˌsôr

Zoology

A reptile of a large group that includes the dinosaurs and pterosaurs and is represented today only by the crocodilians.
〔动，古生物〕古蜥，祖龙
Subdivision Archosauria, subclass Diapsida
Example sentencesExamples
- Other archosaurs included the pterosaurs, relatives of dinosaurs but not true dinosaurs.
- At the same time, the broad, dry plains of equatorial Pangea provided a proving ground for a strange new group of lightweight, but large-bodied, archosaurs - the dinosaurs.
- Tyrannosaurs are surprisingly common in many North American fossil beds, especially their large, serrated teeth which they shed periodically like most archosaurs.
- The name ‘bird crocodile’ seems to nicely describe all the great archosaurs of Mesozoic, combining as they did features of both crocodiles and birds.
- The archosaur skull includes two new fenestra (skull openings).

Origin

1930s: from modern Latin Archosauria, from Greek arkhos 'chief' or arkhōn 'ruler' + -saur.

Definition of archosaur in US English:

archosaur

(also archosaurus)

nounˈärkəˌsôr

Zoology

A reptile of a large group that includes the dinosaurs and pterosaurs and is represented today only by the crocodilians.
〔动，古生物〕古蜥，祖龙
Subdivision Archosauria, subclass Diapsida
Example sentencesExamples
- Other archosaurs included the pterosaurs, relatives of dinosaurs but not true dinosaurs.
- Tyrannosaurs are surprisingly common in many North American fossil beds, especially their large, serrated teeth which they shed periodically like most archosaurs.
- The name ‘bird crocodile’ seems to nicely describe all the great archosaurs of Mesozoic, combining as they did features of both crocodiles and birds.
- At the same time, the broad, dry plains of equatorial Pangea provided a proving ground for a strange new group of lightweight, but large-bodied, archosaurs - the dinosaurs.
- The archosaur skull includes two new fenestra (skull openings).

Origin

1930s: from modern Latin Archosauria, from Greek arkhos ‘chief’ or arkhōn ‘ruler’ + -saur.

词汇	archosaur
释义	Definition of archosaur in English: archosaur noun ˈɑːkəsɔːˈärkəˌsôr Zoology A reptile of a large group that includes the dinosaurs and pterosaurs and is represented today only by the crocodilians. 〔动，古生物〕古蜥，祖龙 Subdivision Archosauria, subclass Diapsida Example sentencesExamples Other archosaurs included the pterosaurs, relatives of dinosaurs but not true dinosaurs. At the same time, the broad, dry plains of equatorial Pangea provided a proving ground for a strange new group of lightweight, but large-bodied, archosaurs - the dinosaurs. Tyrannosaurs are surprisingly common in many North American fossil beds, especially their large, serrated teeth which they shed periodically like most archosaurs. The name ‘bird crocodile’ seems to nicely describe all the great archosaurs of Mesozoic, combining as they did features of both crocodiles and birds. The archosaur skull includes two new fenestra (skull openings). Origin 1930s: from modern Latin Archosauria, from Greek arkhos 'chief' or arkhōn 'ruler' + -saur. Definition of archosaur in US English: archosaur (also archosaurus) nounˈärkəˌsôr Zoology A reptile of a large group that includes the dinosaurs and pterosaurs and is represented today only by the crocodilians. 〔动，古生物〕古蜥，祖龙 Subdivision Archosauria, subclass Diapsida Example sentencesExamples Other archosaurs included the pterosaurs, relatives of dinosaurs but not true dinosaurs. Tyrannosaurs are surprisingly common in many North American fossil beds, especially their large, serrated teeth which they shed periodically like most archosaurs. The name ‘bird crocodile’ seems to nicely describe all the great archosaurs of Mesozoic, combining as they did features of both crocodiles and birds. At the same time, the broad, dry plains of equatorial Pangea provided a proving ground for a strange new group of lightweight, but large-bodied, archosaurs - the dinosaurs. The archosaur skull includes two new fenestra (skull openings). Origin 1930s: from modern Latin Archosauria, from Greek arkhos ‘chief’ or arkhōn ‘ruler’ + -saur.
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