Definition of spontaneous

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Spontaneous (a.) Proceeding from, or acting by, internal impulse, energy, or natural law, without external force; as, spontaneous motion; spontaneous growth..

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Alkarsin :: Alkarsin (n.) A spontaneously inflammable liquid, having a repulsive odor, and consisting of cacodyl and its oxidation products; -- called also Cadel's fuming liquid..
Dichastic :: Dichastic (a.) Capable of subdividing spontaneously.
Autogenously :: Autogenously (adv.) In an autogenous manner; spontaneously.
Automaton :: Automaton (v. i.) A self-moving machine, or one which has its motive power within itself; -- applied chiefly to machines which appear to imitate spontaneously the motions of living beings, such as men, birds, etc..
Break :: Break (v. i.) To open spontaneously, or by pressure from within, as a bubble, a tumor, a seed vessel, a bag..
Concrete :: Concrete (n.) A compound or mass formed by concretion, spontaneous union, or coalescence of separate particles of matter in one body..
Voluntary :: Voluntary (v. t.) Unconstrained by the interference of another; unimpelled by the influence of another; not prompted or persuaded by another; done of his or its own accord; spontaneous; acting of one's self, or of itself; free..
Free :: Free (superl.) Not gained by importunity or purchase; gratuitous; spontaneous; as, free admission; a free gift..
Fissiparism :: Fissiparism (n.) Reproduction by spontaneous fission.
Careless :: Careless (a.) Without thought or purpose; without due care; without attention to rule or system; unstudied; inconsiderate; spontaneous; rash; as, a careless throw; a careless expression..
Adventitious :: Adventitious (a.) Accidentally or sparingly spontaneous in a country or district; not fully naturalized; adventive; -- applied to foreign plants.
Coagulation :: Coagulation (n.) The change from a liquid to a thickened, curdlike, insoluble state, not by evaporation, but by some kind of chemical reaction; as, the spontaneous coagulation of freshly drawn blood; the coagulation of milk by rennet, or acid, and the coagulation of egg albumin by heat. Coagulation is generally the change of an albuminous body into an insoluble modification..
Voluntariness :: Voluntariness (n.) The quality or state of being voluntary; spontaneousness; specifically, the quality or state of being free in the exercise of one's will..
Ultroneous :: Ultroneous (a.) Spontaneous; voluntary.
Cacodyl :: Cacodyl (n.) Alkarsin; a colorless, poisonous, arsenical liquid, As2(CH3)4, spontaneously inflammable and possessing an intensely disagreeable odor. It is the type of a series of compounds analogous to the nitrogen compounds called hydrazines..
Fissiparous :: Fissiparous (a.) Reproducing by spontaneous fission. See Fission.
Archegony :: Archegony (n.) Spontaneous generation; abiogenesis.
Accord :: Accord (v. t.) Voluntary or spontaneous motion or impulse to act; -- preceded by own; as, of one's own accord..
Duplicate :: Duplicate (v. t.) To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves..
Panspermist :: Panspermist (n.) A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.
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