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The act or process of bringing or coming into existence; first production. "The origination of the universe." Keill. What comes from spirit is a spontaneous origination. Hickok.

An apparatus or agent for the production or application of ozone.

Reproduction by young or larval animals.

The production of new individuals from virgin females by means of ova which have the power of developing without the intervention of the male element; the production, without fertilization, of cells capable of germination. It is one of the phenomena of alternate generation. Cf. Heterogamy, and Metagenesis.…

The production or absorption of heat at the junction of two metals on the passage of a current. Heat generated by the passage of the current in one direction will be absorbed if the current is reversed.

An instrument for the mechanical registration and reproduction of audible sounds, as articulate speech, etc. It consists of a rotating cylinder or disk covered with some material easily indented, as tinfoil, wax, paraffin, etc., above which is a thin plate carrying a stylus. As the plate vibrates under the influence of…

Relating to the production of light by the lower animals.

series of photographs of the variations of the arc due to sound waves are obtained for reproduction by means of a selenium cell and a telephone.

The science which relates to the action of light on sensitive bodies in the production of pictures, the fixation of images, and the like.

An apparatus for the production of sound by the action of rays of light. A. G. Bell.

Designating a photomechanical process for making reproductions in natural colors by three printings.

an undifferentiated mass of protoplasm to a well-developed and much- branched mycelium. Reproduction is mainly sexual, by the formation of conidia or sporangia; but the group shows every form of transition from this method through simple conjugation to perfect sexual reproduction by egg and sperm in the higher forms. -…

An abnormal or excessive production of leaves.

ul plants; esp., in the United States and West Indies, a large estate appropriated to the production of the more important crops, and cultivated by laborers who live on the estate; as, a cotton plantation; a coffee plantation.

hat branch of political science or philosophy which treats of the sources, and methods of production and preservation, of the material wealth and prosperity of nations.

The production of two or more embryos in one seed, due either to the existence and fertilization of more than one embryonic sac or to the origination of embryos outside of the embryonic sac.

A literary production composed of parts brought together without order or bond of connection.

y to that of England. -- Prime mover. (Mech.) (a) A natural agency applied by man to the production of power. Especially: Muscular force; the weight and motion of fluids, as water and air; heat obtained by chemical combination, and applied to produce changes in the volume and pressure of steam, air, or other fluids; a…

Being of the first production; primitive; original. [Obs.] Ainsworth.

; as, the principal officers of a Government; the principal men of a state; the principal productions of a country; the principal arguments in a case. Wisdom is the principal thing. Prov. iv. 7.