coming or resulting from a natural impulse or tendency; without effort or premeditation; natural and unconstrained; unplanned:
a spontaneous burst of applause.
(of a person) given to acting upon sudden impulses.
(of natural phenomena) arising from internal forces or causes; independent of external agencies; self-acting.
growing naturally or without cultivation, as plants and fruits; indigenous.
produced by natural process.
occurring, produced, or performed through natural processes without external influence: spontaneous movement
arising from an unforced personal impulse; voluntary; unpremeditated: a spontaneous comment
(of plants) growing naturally; indigenous
noun 1. miscarriage (def 1). noun 1. Also called voluntary abortion. the removal of an embryo or fetus from the uterus in order to end a pregnancy. 2. any of various surgical methods for terminating a pregnancy, especially during the first six months. 3. Also called spontaneous abortion. miscarriage (def 1). 4. an immature and […]
- Spontaneous amputation
spontaneous amputation n. Congenital amputation. Amputation resulting from a pathological process rather than from trauma.
noun 1. the ignition of a substance or body from the rapid oxidation of its own constituents without heat from any external source. spontaneous combustion noun 1. the ignition of a substance or body as a result of internal oxidation processes, without the application of an external source of heat, occurring in finely powdered ores, […]
- Spontaneous gangrene of newborn
spontaneous gangrene of newborn n. Gangrene due to vascular occlusion of unknown cause, usually in marasmic or dehydrated infants.