Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of spontaneous is as below...

Willing :: Willing (v. t.) Spontaneous; self-moved.

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..

Violent :: Violent (a.) Produced or effected by force; not spontaneous; unnatural; abnormal.

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..

Abiogenesis :: Abiogenesis (n.) The supposed origination of living organisms from lifeless matter; such genesis as does not involve the action of living parents; spontaneous generation; -- called also abiogeny, and opposed to biogenesis..

Autogenously :: Autogenously (adv.) In an autogenous manner; spontaneously.

Pyrophorus :: Pyrophorus (n.) Any one of several substances or mixtures which phosphoresce or ignite spontaneously on exposure to air, as a heated mixture of alum, potash, and charcoal, or a mixture of charcoal and finely divided lead..

Fissiparism :: Fissiparism (n.) Reproduction by spontaneous fission.

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.

Break :: Break (v. i.) To open spontaneously, or by pressure from within, as a bubble, a tumor, a seed vessel, a bag..

Free :: Free (superl.) Not gained by importunity or purchase; gratuitous; spontaneous; as, free admission; a free gift..

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..

Duplicate :: Duplicate (v. t.) To divide into two by natural growth or spontaneous action; as, infusoria duplicate themselves..

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..

Heterogenesis :: Heterogenesis (n.) Spontaneous generation, so called..

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..

Autogenesis :: Autogenesis (n.) Spontaneous generation.

Interjectional :: Interjectional (a.) Pertaining to, or having the nature of, an interjection; consisting of natural and spontaneous exclamations..

Panspermy :: Panspermy (n.) The doctrine that all organisms must come from living parents; biogenesis; -- the opposite of spontaneous generation.

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