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FORCE PER UNIT AREA
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit)
Example:
the compressed gas exerts an increased pressure
Synonyms:
force per unit area; pressure; pressure level
Classified under:
Nouns denoting natural phenomena
Hypernyms ("force per unit area" is a kind of...):
physical phenomenon (a natural phenomenon involving the physical properties of matter and energy)
Hyponyms (each of the following is a kind of "force per unit area"):
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)
gas pressure (the pressure exerted by a gas)
head (the pressure exerted by a fluid)
hydrostatic head (the pressure at a given point in a liquid measured in terms of the vertical height of a column of the liquid needed to produce the same pressure)
intraocular pressure; IOP (pressure exerted by the fluids inside the eyeball; regulated by resistance to the outward flow of aqueous humor)
oil pressure (pressure that keeps oil on the moving parts of an internal-combustion engine)
osmotic pressure ((physical chemistry) the pressure exerted by a solution necessary to prevent osmosis into that solution when it is separated from the pure solvent by a semipermeable membrane)
corpuscular-radiation pressure; radiation pressure (the minute pressure exerted on a surface normal to the direction of propagation of a wave)
instantaneous sound pressure; sound pressure (the difference between the instantaneous pressure at a point in a sound field and the average pressure at that point)
suction (a force over an area produced by a pressure difference)
vapor pressure; vapour 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))
