standard temperature and pressure

noun (used with a plural verb)

the temperature of 0°C and pressure of 1 atmosphere, usually taken as the conditions when stating properties of gases. Abbreviation: STP

Nearby words

  1. standard schnauzer,
  2. standard score,
  3. standard scratch score,
  4. standard solution,
  5. standard temperature,
  6. standard time,
  7. standard volume,
  8. standard-bearer,
  9. standard-bred,
  10. standardbred

Also called standard conditions. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019