cracking
Americannoun
adverb
adjective
idioms
adjective
-
informal (prenominal) fast; vigorous (esp in the phrase a cracking pace )
-
informal to start doing something quickly or do something with increased speed
adverb
noun
-
The process of breaking down complex chemical compounds by heating them. Sometimes a catalyst is added to lower the amount of heat needed for the reaction. Cracking is used especially for breaking petroleum molecules into shorter molecules and to extract low-boiling fractions, such as gasoline, from petroleum.
-
See also hydrocracking
Etymology
Origin of cracking
First recorded in 1250–1300; Middle English; see crack, -ing 1, -ing 2
Vocabulary lists containing cracking
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.
Plus, Bill Gates’s carefully crafted image is cracking, and we look at the realities of aging alone.
From The Wall Street Journal • May 31, 2026
His condition is both a superpower and a vulnerability, as we see when he discovers a dangerous new skill, cracking safes, with his unique ability to hear the tumblers of the lock moving internally.
From Los Angeles Times • May 29, 2026
Ministers are attempting to crack on, in fact revelling in cracking on, with what they think they are there to do, delivering policies and, they hope, helping people, rather than tearing themselves apart.
From BBC • May 21, 2026
Sometime in the next few years, we are going to see quantum computers cracking cryptology.
From Barron's • May 21, 2026
Whips of water slapped at the bukavac’s face, snapping and cracking as they hit.
From Anya and the Dragon by Sofiya Pasternack
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.