Nouns denoting natural phenomena
- snowflake
- a crystal of snow
- cosmic dust
- clouds of particles or gases occurring throughout interstellar space
- compartment pressure
- the air pressure maintained in an air-tight compartment (as in an aircraft)
- solar parallax
- the angle subtended by the mean equatorial radius of the Earth at a distance of one astronomical unit
- condensation
- atmospheric moisture that has condensed because of cold
- thermoelectricity
- electricity produced by heat (as in a thermocouple)
- Saint Elmo's light
- an electrical discharge accompanied by ionization of surrounding atmosphere
- heat of dissociation
- the heat required for a fluid substance to break up into simpler constituents
- insolation
- incident solar radiation
- fogbank
- a large mass of fog on the sea (as seen from a distance)
- reflexion
- the phenomenon of a propagating wave (light or sound) being thrown back from a surface
- pulsation
- a periodically recurring phenomenon that alternately increases and decreases some quantity
- streamline flow
- flow of a gas or liquid in which the velocity at any point is relatively steady
- tension
- (physics) a stress that produces an elongation of an elastic physical body
- flashover
- an unintended electric discharge (as over or around an insulator)
- sou'wester
- a strong wind from the southwest
- annual parallax
- the parallax of a celestial body using two points in the earth's orbit around the sun as the baseline
- pull
- the force used in pulling
- mushroom cloud
- a large cloud of rubble and dust shaped like a mushroom and rising into the sky after an explosion (especially of a nuclear bomb)
- harvest
- the consequence of an effort or activity
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