spontaneous

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spontaneous

(of plants) growing naturally; indigenous

spontaneous

[spän′tā·nē·əs]
(physics)
Occurring without application of an external agency, because of the inherent properties of an object.
References in periodicals archive ?
Hoverboards run on high-powered lithium-ion batteries, which have been widely reported to have a tendency to overheat or spontaneously ignite, Cebu Pacific said in a statement Monday.
The second study evaluated pleth variability index in spontaneously breathing adults during regional anesthesia.
Twins conceived by IVF or conceived spontaneously often do not grow at the same rate, and the reported incidence of discordant growth in both pregnancies varies from 10 to 30% [2, 3].
Summary: British scientists claim Tutankhamun's body may have spontaneously combusted due to botched mummification.
It takes about two years for the body to build up resistance to the wart virus, and after that time warts usually disappear spontaneously.
The Toprak family's household items apparently catch fire spontaneously, with some people believing that the fires have been caused by supernatural forces.
The discs attach themselves spontaneously to carbon nanotubes - wire-like hollow tubes of carbon atoms that are stronger than steel and capable of conducting electricity a thousand times better than copper.
LAS VEGAS -- It is well known that most ovarian cysts in adolescents resolve spontaneously. But for some unknown reason, those on the right side are far more likely to resolve than are those on the left side, according to results of a retrospective study of 151 teenaged girls.
LAS VEGAS -- It's well known that most ovarian cysts in adolescents resolve spontaneously, but for some unknown reason, those on the right side are far more likely to resolve than those on the left, a retrospective study of 151 teenaged girls showed.
If it were true that "energy flowing through a system tends to organize that system, into ever more complex and unpredictable forms," ("The New Habitable Zones," October issue, page 20) then we should be seeing piles of bricks and rubble spontaneously turning into houses all over the place.
MOTORISTS and pedestrians in Penmaenmawr looked on in amazement yesterday as a traffic lights pillar appeared to spontaneously combust.
MORPHOLOGIC AND MORPHOMETRIC EVALUATION OF THE PHRENIC NERVES IN SPONTANEOUSLY HYPERTENSIVE RATS (SHR).

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