(chiefly Britain) Alternative spelling of tire-pressure gauge

(US, Canada) a tire gauge

(physics, chemistry) The international, standard conditions used to aid reproducibility; a temperature of 0 °C (273.15 K) and a pressure of 1 atmosphere (101.325 kPa). Abbreviated as STP.

(physiology) The lowest pressure within the bloodstream, occurring between heart beats, because of a diastole.

(physiology) The highest pressure within the bloodstream, occurring during each heart beat, because of the systole.

Used other than figuratively or idiomatically: see high, blood pressure. / (pathology, colloquial) Synonym of hypertension (abnormally high blood pressure)

The salinity gradient energy retrieved from the difference in the salt concentration between seawater and river water.

plural of tyre-pressure gauge

plural of saturation vapor pressure

A situation where a person is under pressure gives them a chance to demonstrate their potential.