Nouns denoting natural phenomena
- vapor pressure
- the pressure exerted by a vapor; often understood to mean saturated vapor pressure (the vapor pressure of a vapor in contact with its liquid form)
- blood pressure
- the pressure of the circulating blood against the walls of the blood vessels; results from the systole of the left ventricle of the heart; sometimes measured for a quick evaluation of a person's health
- strong gale
- wind moving 47-54 knots; 9 on the Beaufort scale
- radio spectrum
- the entire spectrum of electromagnetic frequencies used for communications; includes frequencies used for radio and radar and television
- thundershower
- a short rainstorm accompanied by thunder and lightning
- windstorm
- a storm consisting of violent winds
- purchase
- the mechanical advantage gained by being in a position to use a lever
- thunderstorm
- a storm resulting from strong rising air currents; heavy rain or hail along with thunder and lightning
- thrust
- the force used in pushing
- northern lights
- the aurora of the northern hemisphere
- pyroelectricity
- generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature
- aureole
- the outermost region of the sun's atmosphere; visible as a white halo during a solar eclipse
- midnight sun
- the sun visible at midnight (inside the Arctic or Antarctic Circles)
- photoconductivity
- change in the electrical conductivity of a substance as a result of absorbing electromagnetic radiation
- fogbank
- a large mass of fog on the sea (as seen from a distance)
- signal
- an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
- champion lode
- the main vein of ore in a deposit
- CMBR
- (cosmology) the cooled remnant of the hot big bang that fills the entire universe and can be observed today with an average temperature of about 2.725 kelvin
- systemic circulation
- circulation that supplies blood to all the body except to the lungs
- particulate 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)
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