(Os"se*an) n. (Zoöl.) A fish having a bony skeleton; a teleost.

(Os"se*in) n. [L. os bone.] (Physiol. Chem.) The organic basis of bone tissue; the residue after removal of the mineral matters from bone by dilute acid; in embryonic tissue, the substance in which the mineral salts are deposited to form bone; — called also ostein. Chemically it is the same as collagen.

(Os"se*let) n. [F.]

1. A little bone.

2. (Zoöl.) The internal bone, or shell, of a cuttlefish.

(Os"se*ous) a. [L. osseus, from os, ossis bone; akin to Gr. Skr. asthi. Cf. Oyster.] Composed of bone; resembling bone; capable of forming bone; bony; ossific.

(Os"se*ter) n. [Russ, osetr' sturgeon.] (Zoöl.) A species of sturgeon.

(Os`si*an"ic) a. Of or pertaining to, or characteristic of, Ossian, a legendary Erse or Celtic bard.

The compositions might be fairly classed as Ossianic.
G. Eliot.

(Os"si*cle) n. [L. ossiculum, dim. of os, ossis, a bone.]

1. A little bone; as, the auditory ossicles in the tympanum of the ear.

2. (Zoöl.) One of numerous small calcareous structures forming the skeleton of certain echinoderms, as the starfishes.

(Os*sic"u*la`ted) a. Having small bones.

(||Os*sic"u*lum) n.; pl. Ossicula [L., a little bone.] (Zoöl.) Same as Ossicle.

(Os*sif"er*ous) a. [L. os, ossis, a bone + -ferous: cf. F. ossifère.] Containing or yielding bone.

(Os*sif"ic) a. [L. os, ossis, bone + facere to make: cf. F. ossifique. See Fact.] Capable of producing bone; having the power to change cartilage or other tissue into bone.

(Os`si*fi*ca"tion) n. [Cf. F. ossification. See Ossify.]

1. (Physiol.) The formation of bone; the process, in the growth of an animal, by which inorganic material (mainly lime salts) is deposited in cartilage or membrane, forming bony tissue; ostosis.

Besides the natural ossification of growing tissue, there is the so-called accidental ossification which sometimes follows certain abnormal conditions, as in the ossification of an artery.

2. The state of being changed into a bony substance; also, a mass or point of ossified tissue.

(Os"si*fied) a. Changed to bone or something resembling bone; hardened by deposits of mineral matter of any kind; — said of tissues.

(Os"si*frage) n. [L. ossifraga, ossifragus, osprey, fr. ossifragus bone breaking; os, ossis, a bone + frangere, fractum, to break. See Osseous, Break, and cf. Osprey, Ossifragous.] (Zoöl.) (a) The lammergeir. (b) The young of the sea eagle or bald eagle. [Obs.]

(Os*sif"ra*gous) a. [L. ossifragus. See Ossifrage.] Serving to break bones; bone-breaking.

  By PanEris using Melati.

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