Definition of proppant in English:

proppant

noun

  • A granular material which is pumped with a fluid medium under pressure into rock, so that fractures formed in this process are held open when the pressure is released, allowing oil or gas to flow more freely.

Origin

1960s; earliest use found in U.S. Patents. From prop + -ant.

Pronunciation

proppant

/ˈprɒp(ə)nt/