Nouns denoting natural phenomena
- line
- a single frequency (or very narrow band) of radiation in a spectrum
- programmed cell death
- a type of cell death in which the cell uses specialized cellular machinery to kill itself; a cell suicide mechanism that enables metazoans to control cell number and eliminate cells that threaten the animal's survival
- laser beam
- a beam of light generated by a laser
- flare
- a sudden eruption of intense high-energy radiation from the sun's surface; associated with sunspots and radio interference
- downpour
- a heavy rain
- X-ray diffraction
- the scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal
- mutual induction
- generation of electromotive forces in each other by two adjacent circuits
- decay
- the organic phenomenon of rotting
- ice fog
- a dense winter fog containing ice particles
- glow
- the phenomenon of light emission by a body as its temperature is raised
- mechanical phenomenon
- a physical phenomenon associated with the equilibrium or motion of objects
- luminescence
- light not due to incandescence; occurs at low temperatures
- nonlinear distortion
- distortion that occurs when the output signal does not have a linear relation to the input signal
- sex linkage
- an association between genes in sex chromosomes that makes some characteristics appear more frequently in one sex than in the other
- corpuscular radiation
- a stream of atomic or subatomic particles that may be charged positively (e.g. alpha particles) or negatively (e.g. beta particles) or not at all (e.g. neutrons)
- flashover
- an unintended electric discharge (as over or around an insulator)
- biology
- characteristic life processes and phenomena of living organisms
- candle flame
- the light provided by a burning candle
- incidence
- the striking of a light beam on a surface
- sea-level pressure
- the atmospheric pressure reduced by a formula to the pressure at sea level
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