Definition of pterosaur in English:

pterosaur

noun ˈtɛrəsɔːˈtɛrəˌsɔr

A fossil flying reptile of the Jurassic and Cretaceous periods, with membranous wings supported by a greatly lengthened fourth finger.
Order Pterosauria, subdivision Archosauria: several families, including pterodactyls, pteranodons, etc.
Example sentencesExamples
- An analysis of more than 100 museum specimens shows that the curvature of claws on pterosaurs ' wing fingers was, on average, comparable to that of perching birds.
- Over the head of Tyrannosaurus rex glides the skeleton of Pteranodon, a pterosaur or flying reptile.
- Now a newly described fossil of a flying reptile called a pterosaur has been found to have a spinosaur tooth stuck in its spine.
- A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs.
- The genus Pteranodon includes several species of large pterosaurs from the Cretaceous period in North America.

Origin

Mid 19th century: from modern Latin Pterosauria (plural), from Greek pteron 'wing' + sauros 'lizard'.

Definition of pterosaur in US English:

pterosaur

nounˈtɛrəˌsɔrˈterəˌsôr

A fossil flying reptile of the Jurassic and Cretaceous periods, with membranous wings supported by a greatly lengthened fourth finger.
Order Pterosauria, subdivision Archosauria: several families, including pterodactyls, pteranodons, etc.
Example sentencesExamples
- The genus Pteranodon includes several species of large pterosaurs from the Cretaceous period in North America.
- Now a newly described fossil of a flying reptile called a pterosaur has been found to have a spinosaur tooth stuck in its spine.
- An analysis of more than 100 museum specimens shows that the curvature of claws on pterosaurs ' wing fingers was, on average, comparable to that of perching birds.
- Over the head of Tyrannosaurus rex glides the skeleton of Pteranodon, a pterosaur or flying reptile.
- A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs.

Origin

Mid 19th century: from modern Latin Pterosauria (plural), from Greek pteron ‘wing’ + sauros ‘lizard’.

单词	pterosaur
释义	Definition of pterosaur in English: pterosaur noun ˈtɛrəsɔːˈtɛrəˌsɔr A fossil flying reptile of the Jurassic and Cretaceous periods, with membranous wings supported by a greatly lengthened fourth finger. Order Pterosauria, subdivision Archosauria: several families, including pterodactyls, pteranodons, etc. Example sentencesExamples An analysis of more than 100 museum specimens shows that the curvature of claws on pterosaurs ' wing fingers was, on average, comparable to that of perching birds. Over the head of Tyrannosaurus rex glides the skeleton of Pteranodon, a pterosaur or flying reptile. Now a newly described fossil of a flying reptile called a pterosaur has been found to have a spinosaur tooth stuck in its spine. A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs. The genus Pteranodon includes several species of large pterosaurs from the Cretaceous period in North America. Origin Mid 19th century: from modern Latin Pterosauria (plural), from Greek pteron 'wing' + sauros 'lizard'. Definition of pterosaur in US English: pterosaur nounˈtɛrəˌsɔrˈterəˌsôr A fossil flying reptile of the Jurassic and Cretaceous periods, with membranous wings supported by a greatly lengthened fourth finger. Order Pterosauria, subdivision Archosauria: several families, including pterodactyls, pteranodons, etc. Example sentencesExamples The genus Pteranodon includes several species of large pterosaurs from the Cretaceous period in North America. Now a newly described fossil of a flying reptile called a pterosaur has been found to have a spinosaur tooth stuck in its spine. An analysis of more than 100 museum specimens shows that the curvature of claws on pterosaurs ' wing fingers was, on average, comparable to that of perching birds. Over the head of Tyrannosaurus rex glides the skeleton of Pteranodon, a pterosaur or flying reptile. A pterosaur is a flying reptile from the Mesozoic period, the time of the dinosaurs. Origin Mid 19th century: from modern Latin Pterosauria (plural), from Greek pteron ‘wing’ + sauros ‘lizard’.
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