What do a.m. and p.m. stand for?

catalytic cracking

the reduction of the molecular weight of hydrocarbons by a catalyst, accomplished in a petroleum refinery by a type of chemical reactor (catalytic cracker)
Compare cracker (def 8), cracking (def 1). Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for catalytic cracking
  • Refined petroleum products are derived from crude oils through processes such as catalytic cracking and fractional distillation.
  • catalytic cracking produces blending components for high-octane gasoline.
  • Distillation, thermal and catalytic cracking, and reforming and alkylation are the workhorses of the industry.

Word of the Day

Difficulty index for catalytic cracking

Few English speakers likely know this word

Word Value for catalytic

Scrabble Words With Friends