- Without apparent cause; said of disease processes or remissions. [L. spontaneus, voluntary, capricious]
* * *spon·ta·ne·ous spän-'tā-nē-əs adj1) proceeding from natural feeling or native tendency without external constraint2) developing without apparent external influence, force, cause, or treatment <a \spontaneous nosebleed>spon·ta·ne·ous·ly adv
* * *adj.arising without apparent cause or outside aid. The term is applied in medicine to certain conditions, such as pathological fractures, that arise in the absence of outside injury; also to recovery from a disease without the aid of specific treatment.
* * *spon·ta·ne·ous (spon-taґne-əs) [L. spontaneus] 1. voluntary; instinctive. 2. occurring without external influence.
Medical dictionary. 2011.
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Spontaneous — means a self generated event, typically requiring no outside influence or help.The word spontaneous may also refer to:* Spontaneous abortion * Spontaneous bacterial peritonitis * Spontaneous combustion * Spontaneous emission * Spontaneous fission … Wikipedia
Spontaneous — Spon*ta ne*ous (sp[o^]n*t[=a] n[ e]*[u^]s), a. [L. spontaneus, fr. sponte of free will, voluntarily.] 1. Proceeding from natural feeling, temperament, or disposition, or from a native internal proneness, readiness, or tendency, without… … The Collaborative International Dictionary of English
spontaneous — 1 Spontaneous, impulsive, instinctive, automatic, mechanical in application to persons or their movements, acts, and utterances mean acting or activated without apparent thought or deliberation. Spontaneous can describe whatever is not affected… … New Dictionary of Synonyms
spontaneous — I adjective discretional, discretionary, elective, extemporal, extemporaneous, extemporary, extempore, free, free willed, impetuous, impromptu, improvisatorial, improvised, impulsive, indeliberate, independent, natural, optional, rash, self… … Law dictionary
spontaneous — 1650s, from L.L. spontaneus willing, of one s free will, from L. (sua) sponte of one s own accord, willingly; of unknown origin. Related: Spontaneously. Earliest use is of persons and characters. Spontaneous combustion first attested 1795.… … Etymology dictionary
spontaneous — [spän tā′nē əs] adj. [LL spontaneus < L sponte, of free will < IE base * (s)pen(d) , to pull > SPIN] 1. acting in accordance with or resulting from a natural feeling, impulse, or tendency, without any constraint, effort, or premeditation … English World dictionary
spontaneous — [adj] impulsive, willing ad lib*, automatic, break loose, casual, down, extemporaneous, extempore, free, free spirited, from the hip*, impetuous, impromptu, improvised, inevitable, instinctive, involuntary, irresistible, natural, offhand, off the … New thesaurus
spontaneous — ► ADJECTIVE 1) performed or occurring as a result of an unpremeditated impulse and without external stimulus. 2) open, natural, and uninhibited. 3) (of a process or event) occurring without apparent external cause. 4) Biology (of movement or… … English terms dictionary
spontaneous — 01. The crowd burst into [spontaneous] applause when the Queen appeared on the balcony. 02. Thousands of people [spontaneously] poured into the streets of the capital to celebrate after the victory of the national soccer team in the World Cup. 03 … Grammatical examples in English
spontaneous — adjective 1) a spontaneous display of affection Syn: unplanned, unpremeditated, unrehearsed, impulsive, impetuous, unstudied, impromptu, spur of the moment, extempore, extemporaneous; unforced, voluntary, unconstrained, unprompted, unbidden,… … Thesaurus of popular words
spontaneous — [[t]spɒnte͟ɪniəs[/t]] 1) ADJ GRADED Spontaneous acts are not planned or arranged, but are done because someone suddenly wants to do them. Diana s house was crowded with happy people whose spontaneous outbursts of song were accompanied by lively… … English dictionary