Definition of pachycephalosaur in English:

pachycephalosaur

noun ˌpakɪˈsɛfələsɔːˌpakɪˈkɛfələsɔːˌpakiˈsefələsôr

A bipedal herbivorous dinosaur of the late Cretaceous period, with a thick domed skull.
Infraorder Pachycephalosauria, order Ornithischia: several genera, including Pachycephalosaurus
Example sentencesExamples
- The already diverse and abundant record of dinosaur skeletal fossils was increased by the discovery in 1999 of the first evidence of pachycephalosaurs from this region.
- Marginocephalia consists mainly of the pachycephalosaurs (bone-heads) and the ceratopsians (horned dinosaurs), like Triceratops.
- The domed skulls of pachycephalosaurs may likewise have been vibrantly colored to indicate sexual maturity, attract a mate, or warn an adversary.
- An alternate view, that ceratopsians and pachycephalosaurs diverged from ornithopod dinosaurs in the Late Jurassic, is more consistent with the preserved biostratigraphic evidence.
- More recently, paleontologists have suggested that other dinosaurs, notably the dome-headed pachycephalosaurs, also used their cranial appendages defensively.

Origin

From Greek pakhus 'thick' + kephalē 'head' + sauros 'lizard'.

Definition of pachycephalosaur in US English:

pachycephalosaur

nounˌpakiˈsefələsôr

A bipedal herbivorous dinosaur of the late Cretaceous period, with a thick domed skull.
Infraorder Pachycephalosauria, order Ornithischia: several genera, including Pachycephalosaurus
Example sentencesExamples
- Marginocephalia consists mainly of the pachycephalosaurs (bone-heads) and the ceratopsians (horned dinosaurs), like Triceratops.
- The already diverse and abundant record of dinosaur skeletal fossils was increased by the discovery in 1999 of the first evidence of pachycephalosaurs from this region.
- More recently, paleontologists have suggested that other dinosaurs, notably the dome-headed pachycephalosaurs, also used their cranial appendages defensively.
- The domed skulls of pachycephalosaurs may likewise have been vibrantly colored to indicate sexual maturity, attract a mate, or warn an adversary.
- An alternate view, that ceratopsians and pachycephalosaurs diverged from ornithopod dinosaurs in the Late Jurassic, is more consistent with the preserved biostratigraphic evidence.

Origin

From Greek pakhus ‘thick’ + kephalē ‘head’ + sauros ‘lizard’.

单词	pachycephalosaur
释义	Definition of pachycephalosaur in English: pachycephalosaur noun ˌpakɪˈsɛfələsɔːˌpakɪˈkɛfələsɔːˌpakiˈsefələsôr A bipedal herbivorous dinosaur of the late Cretaceous period, with a thick domed skull. Infraorder Pachycephalosauria, order Ornithischia: several genera, including Pachycephalosaurus Example sentencesExamples The already diverse and abundant record of dinosaur skeletal fossils was increased by the discovery in 1999 of the first evidence of pachycephalosaurs from this region. Marginocephalia consists mainly of the pachycephalosaurs (bone-heads) and the ceratopsians (horned dinosaurs), like Triceratops. The domed skulls of pachycephalosaurs may likewise have been vibrantly colored to indicate sexual maturity, attract a mate, or warn an adversary. An alternate view, that ceratopsians and pachycephalosaurs diverged from ornithopod dinosaurs in the Late Jurassic, is more consistent with the preserved biostratigraphic evidence. More recently, paleontologists have suggested that other dinosaurs, notably the dome-headed pachycephalosaurs, also used their cranial appendages defensively. Origin From Greek pakhus 'thick' + kephalē 'head' + sauros 'lizard'. Definition of pachycephalosaur in US English: pachycephalosaur nounˌpakiˈsefələsôr A bipedal herbivorous dinosaur of the late Cretaceous period, with a thick domed skull. Infraorder Pachycephalosauria, order Ornithischia: several genera, including Pachycephalosaurus Example sentencesExamples Marginocephalia consists mainly of the pachycephalosaurs (bone-heads) and the ceratopsians (horned dinosaurs), like Triceratops. The already diverse and abundant record of dinosaur skeletal fossils was increased by the discovery in 1999 of the first evidence of pachycephalosaurs from this region. More recently, paleontologists have suggested that other dinosaurs, notably the dome-headed pachycephalosaurs, also used their cranial appendages defensively. The domed skulls of pachycephalosaurs may likewise have been vibrantly colored to indicate sexual maturity, attract a mate, or warn an adversary. An alternate view, that ceratopsians and pachycephalosaurs diverged from ornithopod dinosaurs in the Late Jurassic, is more consistent with the preserved biostratigraphic evidence. Origin From Greek pakhus ‘thick’ + kephalē ‘head’ + sauros ‘lizard’.
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