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..

Lern More About Spontaneous

Automaton :: Automaton (v. i.) Any thing or being regarded as having the power of spontaneous motion or action.
Spontaneity :: Spontaneity (n.) The quality or state of being spontaneous, or acting from native feeling, proneness, or temperament, without constraint or external force..
Archegony :: Archegony (n.) Spontaneous generation; abiogenesis.
Heterogenist :: Heterogenist (n.) One who believes in the theory of spontaneous generation, or heterogenesis..
Duplication :: Duplication (n.) The act or process of dividing by natural growth or spontaneous action; as, the duplication of cartilage cells..
Galipot :: Galipot (n.) An impure resin of turpentine, hardened on the outside of pine trees by the spontaneous evaporation of its essential oil. When purified, it is called yellow pitch, white pitch, or Burgundy pitch..
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..
Dynamite :: Dynamite (n.) An explosive substance consisting of nitroglycerin absorbed by some inert, porous solid, as infusorial earth, sawdust, etc. It is safer than nitroglycerin, being less liable to explosion from moderate shocks, or from spontaneous decomposition..
Ultroneous :: Ultroneous (a.) Spontaneous; voluntary.
Interjectional :: Interjectional (a.) Pertaining to, or having the nature of, an interjection; consisting of natural and spontaneous exclamations..
Mobile :: Mobile (a.) Capable of being moved, aroused, or excited; capable of spontaneous movement..
Panspermy :: Panspermy (n.) The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of spontaneous generation.
Heterogenesis :: Heterogenesis (n.) Spontaneous generation, so called..
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..
Fission :: Fission (n.) A method of asexual reproduction among the lowest (unicellular) organisms by means of a process of self-division, consisting of gradual division or cleavage of the into two parts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division..
Diatom :: Diatom (n.) One of the Diatomaceae, a family of minute unicellular Algae having a siliceous covering of great delicacy, each individual multiplying by spontaneous division. By some authors diatoms are called Bacillariae, but this word is not in general use..
Free :: Free (superl.) Not gained by importunity or purchase; gratuitous; spontaneous; as, free admission; a free gift..
Kink :: Kink (v. i.) To wind into a kink; to knot or twist spontaneously upon itself, as a rope or thread..
Autogenesis :: Autogenesis (n.) Spontaneous generation.
Concourse :: Concourse (n.) An assembly; a gathering formed by a voluntary or spontaneous moving and meeting in one place.
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