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Vigorous and efficient activity; power of fertile production; condition of the soil, whether good or bad. That the spent earth may gather heart again. Dryden.

the stamens and pistil within the same calyx, or on the same receptacle. In some cases reproduction may take place without the union of the distinct individuals. In the animal kingdom true hermaphrodites are found only among the invertebrates. See Illust. in Appendix, under Helminths.

That method of reproduction in which the successive generations differ from each other, the parent organism producing offspring different in habit and structure from itself, the original form, however, reappearing after one or more generations; -- opposed to homogenesis, or gamogenesis.

That method of reproduction in which the successive generations are alike, the offspring, either animal or plant, running through the same cycle of existence as the parent; gamogenesis; -- opposed to heterogenesis.

The theory founded on the influence which the humors were supposed to have in the production of disease; Galenism. Dunglison.

gardens where they are so often operated upon, under circumstances most favorable to the production of hybrids. J. D. Hooker.

The production of artificial membranes by contact of two fluids, as albumin and fat, by which the globules of the latter are surrounded by a thin film of the former.

Relating to the production of hypnotic sleep; as, the so-called hypnogenic pressure points, pressure upon which is said to cause an attack of hypnotic sleep. De Watteville.

storing ice. -- Ice machine (Physics), a machine for making ice artificially, as by the production of a low temperature through the sudden expansion of a gas or vapor, or the rapid evaporation of a volatile liquid. -- Ice master. See Ice pilot (below). -- Ice pack, an irregular mass of broken and drifting ice. --…

attention; a result of carelessness; an oversight, mistake, or fault from negligence. The productions of a great genius, with many lapses an inadvertencies, are infinitely preferable to works of an inferior kind of author which are scrupulously exact. Addison.

To multiply by the production of young; to be fertile, fruitful, or prolific. Fishes are more numerous of increasing than beasts or birds, as appears by their numerous spawn. Sir M. Hale.

Matter added; increase; produce; production; -- opposed to decrement. "Large increment." J. Philips.

th, and resembling, indigo blue, and accompanying it as a side product, in its artificial production.

Agency; influence; production of effects. [Obs.] Bp. Hall.

A machine, for the production of animated pictures, in which a film carrying successive instantaneous views of a moving scene travels uniformly through the field of a magnifying glass. The observer sees each picture, momentarily, through a slit in a revolving disk, and these glimpses, blended by persistence of vision,…

is used as the source of light. -- Dëbereiner's lamp, an apparatus for the instantaneous production of a flame by the spontaneous ignition of a jet of hydrogen on being led over platinum sponge; -- named after the German chemist Döbereiner, who invented it. Called also philosopher's lamp. -- Flameless lamp, an aphlog…

The collective body of literary productions, embracing the entire results of knowledge and fancy preserved in writing; also, the whole body of literary productions or writings upon a given subject, or in reference to a particular science or branch of knowledge, or of a given country or period; as, the literature of Bib…

Sport or freak of nature; a deformed or unnatural production.

n from a prime mover or from another machine, and transmit, modify, and apply them to the production of some desired mechanical effect or work, as weaving by a loom, or the excitation of electricity by an electrical machine.

in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required. Its compounds occur abundantly, as in dolomite, talc, meers…