/ English Dictionary

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))

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