hardening
a material that hardens another, as an alloy added to iron to make steel.
the process of becoming hard or rigid.
Origin of hardening
1Words Nearby hardening
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use hardening in a sentence
After the 2018 shooting at Sante Fe High School, Texas allocated $100 million for schools to use on hardening measures, including metal detectors, bullet-resistant glass, and campus-wide active shooter alarm systems.
Schools Are Spending Billions on Safety Measures to Stop Mass Shootings. It's Not Clear They Work | Katie Reilly | June 15, 2022 | TimeIt is also a question of hardening mindsets, as China cuts itself off from the rest of the world and runs a risk of becoming a second “hermit kingdom” similar to North Korea.
A hardening study commissioned in 2007 showed Entergy that it needed to support coastal transmission lines with concrete and steel poles, rather than wood poles, the company said.
Louisiana power outages renew questions about utility giant’s preparedness for storms | Douglas MacMillan, Beth Reinhard | August 31, 2021 | Washington PostAs the new crust hardens, its iron-bearing minerals align with the current orientation of Earth’s magnetic field, and the hardening rocks become a new stripe in the pattern.
A WWII submarine-hunting device helped prove the theory of plate tectonics | Carolyn Gramling | July 2, 2021 | Science NewsThe quicker the finished product gets into the hardening cabinet, the smaller the ice crystals.
The drug halts the development of atherosclerosis, a word referring to the hardening of the arteries.
Scientists at Johns Hopkins Come Closer to Eliminating Heart Disease | Dale Eisinger | April 25, 2014 | THE DAILY BEASTThe force of the two reacting spreads the foam through the chest cavity, hardening to apply pressure to any bleed sites.
New 'Suspended Animation' Procedure Saves Lives by Replacing Blood with a Cold Electrolyte Solution | Elizabeth Lopatto | April 2, 2014 | THE DAILY BEASTThe hardening of an idea into a plan for a novel is a vague process and hard to describe.
He was found at autopsy to have severe hardening of his coronary arteries.
She saw the tightening of his lips, the hardening of his eyes, beyond which he gave no other sign that she had hit him.
Mistress Wilding | Rafael SabatiniThere was in it the indefinable hardening and ageing which seemed to Boyson to have affected the whole personality.
Marriage la mode | Mrs. Humphry WardShe talked nearly all the way over, sobbing at times, and then hardening herself with scolding.
A Yankee from the West | Opie ReadShe stepped back with her mouth hardening and the gleam still in her eyes.
Colonial Born | G. Firth Scott“Have my share of that money,” said Katrine, with a peculiar hardening of her face.
The Dark House | Georg Manville Fenn
British Dictionary definitions for hardening
/ (ˈhɑːdənɪŋ) /
the act or process of becoming or making hard
a substance added to another substance or material to make it harder
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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