contact process

  1. a catalytic method for producing sulfuric acid from sulfur dioxide and oxygen.

Origin of contact process

First recorded in 1900–05

Words Nearby contact process Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use contact process in a sentence

  • Pure concentrated acid can be made best by the contact process, while the chamber process is cheaper for the dilute impure acid.