Nouns denoting natural phenomena
- variation
- (astronomy) any perturbation of the mean motion or orbit of a planet or satellite (especially a perturbation of the earth's moon)
- bluster
- a violent gusty wind
- gale
- a strong wind moving 45-90 knots; force 7 to 10 on Beaufort scale
- northwest wind
- a wind from the northwest
- neutron radiation
- radiation of neutrons (as by a neutron bomb)
- DC
- an electric current that flows in one direction steadily
- resolution
- (computer science) the number of pixels per square inch on a computer-generated display; the greater the resolution, the better the picture
- reaction
- (mechanics) the equal and opposite force that is produced when any force is applied to a body
- microwave spectrum
- the part of the electromagnetic spectrum corresponding to microwaves
- tempest
- (literary) a violent wind
- current electricity
- a flow of electric charge
- whiteout
- an arctic atmospheric condition with clouds over snow produce a uniform whiteness and objects are difficult to see; occurs when the light reflected off the snow equals the light coming through the clouds
- brush discharge
- discharge between electrodes creating visible streamers of ionized particles
- 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
- sky wave
- a radio wave that is reflected back to earth by the ionosphere or a communications satellite; permits transmission around the curve of the earth's surface
- mutual induction
- generation of electromotive forces in each other by two adjacent circuits
- systolic pressure
- the blood pressure (as measured by a sphygmomanometer) during the contraction of the left ventricle of the heart
- catastrophe
- a sudden violent change in the earth's surface
- diapedesis
- passage of blood cells (especially white blood cells) through intact capillary walls and into the surrounding tissue
- scintillation
- (physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle
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