Pachycephalosaurusn.

Brit.

/ˌpakɪsɛf(ə)ləˈsɔːrəs/,

/ˌpakɪsɛfl̩əˈsɔːrəs/, U.S.

/ˈˌpækiˌsɛf(ə)ləˈsɔrəs/

Origin: A borrowing from Latin. Etymon: Latin Pachycephalosaurus.

Etymology: < scientific Latin Pachycephalosaurus, genus name (see quot. 1943) < ancient Greek παχυ- pachy- comb. form + κεϕαλή head (see cephalo- comb. form) + σαῦρος lizard (see -saurus comb. form).

Palaeontology.

A genus of bipedal herbivorous dinosaurs of the late Cretaceous, characterized by thickened, dome-like skulls; a dinosaur of this genus.

ΚΠ

1943 B. Brown & E. M. Schlaikjer in Bull. Amer. Mus. Nat. Hist. 82 132/2 Pachycephalosaurus, new genus.

1977 A. Sheehan Prehist. World 116 A head-on collision with either a Pachycephalosaurus or Stegoceras must have been a terrifying prospect.

1998 Jrnl. Vertebrate Palaeontol. 18 363 These cranial features indicate a different mode of agonistic behavior than previously suggested for Stegoceras and Pachycephalosaurus.

This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022).

单词	pachycephalosaurus
释义	Pachycephalosaurusn. Brit. /ˌpakɪsɛf(ə)ləˈsɔːrəs/, /ˌpakɪsɛfl̩əˈsɔːrəs/, U.S. /ˈˌpækiˌsɛf(ə)ləˈsɔrəs/ Origin: A borrowing from Latin. Etymon: Latin Pachycephalosaurus. Etymology: < scientific Latin Pachycephalosaurus, genus name (see quot. 1943) < ancient Greek παχυ- pachy- comb. form + κεϕαλή head (see cephalo- comb. form) + σαῦρος lizard (see -saurus comb. form). Palaeontology. A genus of bipedal herbivorous dinosaurs of the late Cretaceous, characterized by thickened, dome-like skulls; a dinosaur of this genus. ΚΠ 1943 B. Brown & E. M. Schlaikjer in Bull. Amer. Mus. Nat. Hist. 82 132/2 Pachycephalosaurus, new genus. 1977 A. Sheehan Prehist. World 116 A head-on collision with either a Pachycephalosaurus or Stegoceras must have been a terrifying prospect. 1998 Jrnl. Vertebrate Palaeontol. 18 363 These cranial features indicate a different mode of agonistic behavior than previously suggested for Stegoceras and Pachycephalosaurus. This is a new entry (OED Third Edition, March 2005; most recently modified version published online March 2022). < n.1943
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