follow Dictionary.com

8 Wintry Words to Defrost Your Vocabulary

contact process

noun, Chemistry
1.
a catalytic method for producing sulfuric acid from sulfur dioxide and oxygen.
Origin
1900-1905
1900-05
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Encyclopedia Article for contact-process

contact process

modern industrial method of producing sulfuric acid; it has largely replaced the chamber, or lead-chamber, process. Sulfur dioxide and oxygen, passed over a hot catalyst, unite to form sulfur trioxide, which in turn combines with water to make sulfuric acid.

Learn more about contact process with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source

Word of the Day

Difficulty index for contact process

Few English speakers likely know this word

Word Value for contact

11
14
Scrabble Words With Friends

Quotes with contact-process