geothermal gradient
noun
The rate at which the temperature increases with depth below the surface of the ground or the surface of a lake.
Origin
Early 20th century; earliest use found in American Journal of Science.
- Passos, John Dos
- pass out
- pass over
- Passover
- passoverish
- pass-pawn
- pass percentage
- passphrase
- pass play
- passport
- passport control
- passported
- passportless
- passport letter
- passport photo
- passport photograph
- pass protection
- pass raid
- pass-remarkable
- pass rush
- pass rusher
- pass rushing
- pass-shooting
- pass someone by
- pass someone over