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contact process

American  

noun

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


Etymology

Origin of contact process

First recorded in 1900–05

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

More than 2,000 players have entered their names since Dec. 5, necessitating coaches and support staff go through an accelerated evaluation and contact process.

From Seattle Times • Jan. 8, 2023

Ludlow's sanction can be reduced by one further game if he completes World Rugby's head contact process coaching intervention programme.

From BBC • Jul. 15, 2021

The acid commonly used is made by the "contact" process, in which sulphur dioxide is oxidized to sulphur trioxide, and then, with the addition of water, changed to sulphuric acid.

From The Automobile Storage Battery Its Care And Repair by Witte, Otto A.

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

From An Elementary Study of Chemistry by McPherson, William