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substances, not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal, vegetable, or mineral origin and of varied composition, and they are variously used for food, for solvents, for anointing, lubrication, illumination, etc. By extension, any substance of an oily consistency; as, oil of vitr…

d of the acrylic acid series found combined with glyceryl in the form of olein in certain animal and vegetable fats and oils, such as sperm oil, olive oil, etc. At low temperatures the acid is crystalline, but melts to an oily liquid above 14

y temperatures, but solidifying at temperatures below 0° C., found abundantly in both the animal and vegetable kingdoms (see Palmitin). It dissolves solid fats, especially at 30-40° C. Chemically, olein is a glyceride of oleic acid; and, as three molecules of the acid are united to one molecule of glyceryl to form the…

A liquid oil made from animal fats (esp. beef fat) by separating the greater portion of the solid fat or stearin, by crystallization. It is mainly a mixture of olein and palmitin with some little stearin.

An oil expressed from certain animal fats (esp. beef suet), the greater portion of the solid fat, or stearin, being left behind. It is mixture of olein, palmitin, and a little stearin.

ing; eating everything indiscriminately; as, omnivorous vanity; esp. (Zoöl.), eating both animal and vegetable food. -- Om*niv"o*rous*ness, n.

An imaginary animal borne as a charge, having wings, an eagle's head, and a short tail; -- sometimes represented without wings.

The cavity of one of the optic lobes of the brain in many animals. B. G. Wilder.

A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc., are organs of animals; the root, stem, foliage, etc., are organs of plants.

omposed of organs; consisting of organs, or containing them; as, the organic structure of animals and plants; exhibiting characters peculiar to living organisms; as, organic bodies, organic life, organic remains. Cf. Inorganic.

An organized being; a living body, either vegetable or animal, compozed of different organs or parts with functions which are separate, but mutually dependent, and essential to the life of the individual.

The origin and development of organs in animals and plants.

A description of the organs of animals or plants.

That branch of biology which treats, in particular, of the organs of animals and plants. See Morphology.

Having the property of producing the tissues or organs of animals and plants; as, the organoplastic cells.

Causing existence; productive. [R.] The production of animals, in the originary way, requires a certain degree of warmth. Cheyne.

Mode of production, or bringing into being. This eruca is propagated by animal parents, to wit, butterflies, after the common origination of all caterpillars. Ray.

Adhering closely; embracing; -- applied to certain creeping animals, as caterpillars.

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.

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