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A name for certain crustaceous marine algæ which secrete carbonate of lime on their surface, and were formerly thought to be of animal nature. They are now considered corallines of the genera Melobesia and Lithothamnion.

g which promotes growth and repairs the natural waste of animal or vegetable life; food; aliment. The stomach returns what it has received, in strength and nutriment diffused into all parts of the body. South.

Nourishing; promoting growth, or preventing decay; alimental. -- Nu*tri"tious*ly, adv. -- Nu*tri"tious*ness, n.

as, the nutritive functions; having the quality of nourishing; nutritious; nutrimental; alimental; as, nutritive food or berries. Nutritive plasma. (Biol.) See Idioplasma. -- Nutritive polyp (Zoöl.), any one of the zooids of a compound hydroid, or coral, which has a mouth and digestive cavity. -- Nu"tri*tive*ly, adv…

ively; watchful; attentive; as, an observant spectator; observant habits. Wandering from clime to clime observant stray'd. Pope.

A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime.

A triclinic soda-lime feldspar. See Feldspar.

A variety of limestone, consisting of small round grains, resembling the roe of a fish. It sometimes constitutes extensive beds, as in the European Jurassic. See the Chart of Geology.

Soft mud or slime; earth so wet as to flow gently, or easily yield to pressure. "My son i' the ooze is bedded." Shak.

Designating, or pertaining to, certain beds, chiefly limestone, characteristic of the latest period of the Silurian age. Oriskany period, a subdivision of the American Paleozoic system intermediate or translational in character between the Silurian and Devonian ages. See Chart of Geology.

Indian fire, and in certain technical processes, as indigo printing. Our orpiment and sublimed mercurie. Chaucer. Red orpiment, realgar; the red sulphide of arsenic. -- Yellow orpiment, king's yellow.

ion 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.

form into bone; to change from a soft animal substance into bone, as by the deposition of lime salts.

ogen microscope, a form of microscope arranged so as to use the light produced by burning lime or limestone under a current of oxyhydrogen gas.

A light produced by the incandescence of some substances, esp. lime, in the oxyhydrogen flame. Coal gas (producing the oxygas light), or the vapor of ether (oxyether light) or methylated spirit (oxyspirit light), may be substituted for hydrogen.

A salt of the supposed oxymuriatic acid; a chloride. Oxymuriate of lime, chloride of lime.

Affording pabulum, or food; alimental. [R.] Sir T. Browne.

A hydrous borate of lime, near priceite.

A coarse pisolitic limestone. See Pisolite.

mineral occurring in radiated or fibrous crystalline masses. It is a hydrous silicate of lime and soda.