Nouns denoting natural phenomena

a geological phenomenon below the surface of the earth
gentle wind
a slight wind (usually refreshing)
an acronym for emissions of light and very low frequency perturbations due to electromagnetic pulse sources; extremely bright extremely short (less than a msec) electrical flashes forming a huge ring (up to 400 km diameter) in the ionosphere
jet stream
a high-speed high-altitude airstream blowing from west to east near the top of the troposphere; has important effects of the formation of weather fronts
focal point
a point of convergence of light (or other radiation) or a point from which it diverges
magnetic field
the lines of force surrounding a permanent magnet or a moving charged particle
ultraviolet spectrum
the spectrum of ultraviolet radiation
a cooler darker spot appearing periodically on the sun's photosphere; associated with a strong magnetic field
the light provided by a burning candle
a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data
the phenomenon of forming chemical bonds
solar gravity
the gravity of the sun
heat of condensation
heat liberated by a unit mass of gas at its boiling point as it condenses into a liquid
domino effect
the consequence of one event setting off a chain of similar events (like a falling domino causing a whole row of upended dominos to fall)
zodiacal light
a luminous tract in the sky; a reflection of sunlight from cosmic dust in the plane of the ecliptic; visible just before sunrise and just after sunset
a large mass of fog on the sea (as seen from a distance)
the irregular motion of waves (usually caused by wind blowing in a direction opposite to the tide)
the falling to earth of any form of water (rain or snow or hail or sleet or mist)
the consequence of an effort or activity
a localized and violently destructive windstorm occurring over land characterized by a funnel-shaped cloud extending toward the ground
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