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...

Mobile :: Mobile (a.) Capable of being moved, aroused, or excited; capable of spontaneous movement..

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

Fission :: Fission (n.) A process by which certain coral polyps, echinoderms, annelids, etc., spontaneously subdivide, each individual thus forming two or more new ones. See Strobilation..

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

Ultroneous :: Ultroneous (a.) Spontaneous; voluntary.

Copal :: Copal () A resinous substance flowing spontaneously from trees of Zanzibar, Madagascar, and South America (Trachylobium Hornemannianum, T. verrucosum, and Hymenaea Courbaril), and dug from earth where forests have stood in Africa; -- used chiefly in making varnishes..

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..

Spontoon :: Spontaneous (a.) Produced without being planted, or without human labor; as, a spontaneous growth of wood..

Archegony :: Archegony (n.) Spontaneous generation; abiogenesis.

Hemicarp :: Hemicarp (n.) One portion of a fruit that spontaneously divides into halves.

Concrete :: Concrete (n.) A compound or mass formed by concretion, spontaneous union, or coalescence of separate particles of matter in one body..

Concourse :: Concourse (n.) An assembly; a gathering formed by a voluntary or spontaneous moving and meeting in one place.

Panspermist :: Panspermist (n.) A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.

Abiogenous :: Abiogenous (a.) Produced by spontaneous generation.

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..

Automaton :: Automaton (v. i.) Any thing or being regarded as having the power of spontaneous motion or action.

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..

Concession :: Concession (n.) The act of conceding or yielding; usually implying a demand, claim, or request, and thus distinguished from giving, which is voluntary or spontaneous..

Instinctive :: Instinctive (a.) Of or pertaining to instinct; derived from, or prompted by, instinct; of the nature of instinct; determined by natural impulse or propensity; acting or produced without reasoning, deliberation, instruction, or experience; spontaneous..

Autogenesis :: Autogenesis (n.) Spontaneous generation.

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