Nouns denoting natural phenomena

headwind
wind blowing opposite to the path of a ship or aircraft
 
calm air
wind moving at less than 1 knot; 0 on the Beaufort scale
 
dent
an appreciable consequence (especially a lessening)
 
ray
a column of light (as from a beacon)
 
pulmonary circulation
circulation of blood between the heart and the lungs
 
sunbeam
a ray of sunlight
 
radio emission
an electromagnetic wave with a wavelength between 0.5 cm to 30,000 m
 
fogbank
a large mass of fog on the sea (as seen from a distance)
 
dichroism
pleochroism of a crystal so that it exhibits two different colors when viewed from two different directions
 
bize
a dry cold north wind in southeastern France
 
gravitational force
(physics) the force of attraction between all masses in the universe; especially the attraction of the earth's mass for bodies near its surface
 
chemical phenomenon
any natural phenomenon involving chemistry (as changes to atoms or molecules)
 
silver storm
a storm with freezing rain that leaves everything glazed with ice
 
diastolic pressure
the blood pressure (as measured by a sphygmomanometer) after the contraction of the heart while the chambers of the heart refill with blood
 
rainfall
water falling in drops from vapor condensed in the atmosphere
 
fresh breeze
wind moving 19-24 knots; 5 on the Beaufort scale
 
X-ray diffraction
the scattering of X rays by the atoms of a crystal; the diffraction pattern shows structure of the crystal
 
amperage
the strength of an electrical current measured in amperes
 
reluctance
(physics) opposition to magnetic flux (analogous to electric resistance)
 
thermoelectricity
electricity produced by heat (as in a thermocouple)
 
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