standard temperature and pressure

English

Noun

standard temperature and pressure (countable and uncountable, plural standard temperatures and pressures)

1. (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. Often elliptically called standard conditions.

Related terms

• STPD

Further reading

• Standard conditions for temperature and pressure on Wikipedia.Wikipedia