| ostlery | See Hostelry. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| ostomate | Term for one who has an ostomy. Origin: L. Ostium, mouth (05 Mar 2000) |
| ostomy | An operation to create an opening from an area inside the body to the outside. See glossary entry for colostomy. (12 Dec 1998) |
| ostosis | <physiology> Bone formation; ossification. See Ectostosis, and Endostosis. Origin: NL, from Gr. A bone. Source: Websters Dictionary (01 Mar 1998) |
| ostracea | <marine biology> A division of bivalve mollusks including the oysters and allied shells. Origin: NL, fr. Gr. Shell of a testacean. (19 Mar 1998) |
| ostracean | <zoology> Any one of a family of bivalves, of which the oyster is the type. Origin: L. Ostrea an oyster. See Oyster. Source: Websters Dictionary (01 Mar 1998) |
| ostraceous | Denoting the heaping up of scales seen in psoriasis, which resembles the stratification of oyster shells. Origin: Ostraeacea, group including the oysters (05 Mar 2000) |
| ostracion | <zoology> A genus of plectognath fishes having the body covered with solid, immovable, bony plates. It includes the trunkfishes. Origin: NL, fr. Gr. Small shell. Source: Websters Dictionary (01 Mar 1998) |
| ostraciont | <zoology> A fish of the genus Ostracion and allied genera. Source: Websters Dictionary (01 Mar 1998) |
| ostracite | <paleontology> A fossil oyster. Source: Websters Dictionary (01 Mar 1998) |
| ostracoda | <zoology> Ostracoidea. Source: Websters Dictionary (01 Mar 1998) |
| ostracodermi | <zoology> A suborder of fishes of which Ostracion is the type. Origin: NL, fr. Gr. Shell of a testacean + skin. Source: Websters Dictionary (01 Mar 1998) |
| ostracoid | <zoology> Of or pertaining to the Ostracoidea. One of the Ostracoidea. Source: Websters Dictionary (01 Mar 1998) |
| ostracoidea | <zoology> An order of Entomostraca possessing hard bivalve shells. They are of small size, and swim freely about. Alternative forms: Ostracoda. Origin: NL, fr. Gr. Shell of a testacean. Source: Websters Dictionary (01 Mar 1998) |
| ostrea | <zoology> A genus of bivalve Mollusca which includes the true oysters. Origin: L, an oyster. Source: Websters Dictionary (01 Mar 1998) |