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...

Strobile :: Strobilation (n.) The act or phenomenon of spontaneously dividing transversely, as do certain species of annelids and helminths; transverse fission. See Illust. under Syllidian..

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

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..

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

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..

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

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

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..

Freewill :: Freewill (a.) Of or pertaining to free will; voluntary; spontaneous; as, a freewill offering..

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

Kink :: Kink (n.) A twist or loop in a rope or thread, caused by a spontaneous doubling or winding upon itself; a close loop or curl; a doubling in a cord..

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..

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..

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..

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

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.

Heterogenist :: Heterogenist (n.) One who believes in the theory of spontaneous generation, or heterogenesis..

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..

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