'Pasteurization' definitions:

Definition of 'pasteurization'

(from WordNet)
noun
Partial sterilization of foods at a temperature that destroys harmful microorganisms without major changes in the chemistry of the food [syn: pasteurization, pasteurisation]

Definition of 'Pasteurization'

From: GCIDE
  • Pasteurization \Pas*teur`i*za"tion\, n. A process devised by Pasteur for preventing or checking fermentation in fluids, such as wines, milk, etc., by exposure to a temperature of 140[deg] F., thus destroying the vitality of the contained microorganisms. [1913 Webster]