costellateadj.

Brit.

/ˈkɒstɛleɪt/,

/ˈkɒstᵻleɪt/, U.S.

/ˈkɑstəˌleɪt/,

/kɑˈstɛleɪt/

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

Etymology: < scientific Latin costellatus (1811 or earlier) < costella (1803 or earlier; < classical Latin costa rib (see costa n.¹) + -ella -ella suffix) + classical Latin -ātus -ate suffix². Compare earlier costate adj., costated adj.

Chiefly Palaeontology.

Finely ribbed or ridged.

ΚΠ

1834 Jrnl. Acad. Nat. Sci. Philadelphia 7 264 Shell fusiform,..the third whirl from the apex longitudinally costellate.

1870 Ann. & Mag. Nat. Hist. 5 426 The outer lip is crenulated and the upper whorls are costellate.

1938 Jrnl. Paleontol. 12 450/2 A small costellate Atrypa with narrow frill is one of the rarer fossils.

1998 U.S. Geol. Surv. Prof. Paper No. 1588 18/1 These ‘ribs’ extend anteriorly from the spine bases as a cluster of costellae on the slightly raised ridges, imparting an irregular, unequally costellate surface.

2005 Jrnl. Paleontol. 79 1014/2 The new genus is characterized by its finely costellate ventral valve.

This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022).

单词	costellate
释义	costellateadj. Brit. /ˈkɒstɛleɪt/, /ˈkɒstᵻleɪt/, U.S. /ˈkɑstəˌleɪt/, /kɑˈstɛleɪt/ Origin: A borrowing from Latin. Etymon: Latin costellatus. Etymology: < scientific Latin costellatus (1811 or earlier) < costella (1803 or earlier; < classical Latin costa rib (see costa n.¹) + -ella -ella suffix) + classical Latin -ātus -ate suffix². Compare earlier costate adj., costated adj. Chiefly Palaeontology. Finely ribbed or ridged. ΚΠ 1834 Jrnl. Acad. Nat. Sci. Philadelphia 7 264 Shell fusiform,..the third whirl from the apex longitudinally costellate. 1870 Ann. & Mag. Nat. Hist. 5 426 The outer lip is crenulated and the upper whorls are costellate. 1938 Jrnl. Paleontol. 12 450/2 A small costellate Atrypa with narrow frill is one of the rarer fossils. 1998 U.S. Geol. Surv. Prof. Paper No. 1588 18/1 These ‘ribs’ extend anteriorly from the spine bases as a cluster of costellae on the slightly raised ridges, imparting an irregular, unequally costellate surface. 2005 Jrnl. Paleontol. 79 1014/2 The new genus is characterized by its finely costellate ventral valve. This entry has been updated (OED Third Edition, September 2016; most recently modified version published online March 2022). < adj.1834
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