resistance of a material, as a stone or metal, to scratching by one of several other materials, the known hardnesses of which are assembled into a standard scale, as the Mohs' scale of minerals.
Itch vs. Scratch: What’s The Difference?Okay, this one might make you feel a little itchy. An itch is a skin irritation that causes the desire to scratch. Scratch describes the action used to relieve an itch. The grammatically correct construction is “to scratch an itch.” People often use itch and scratch in place of each other in everyday speech. For example, you may hear people saying they need to “itch …
10 Times Idioms Were Used Incorrectly In Famous SituationsWhen idioms are misused, quite a bit can be lost in translation, leaving the audience scratching their heads (we've done a slideshow on that too!). A gaffe between friends is one thing, but what about when the whole world is listening? Pretty embarrassing ... or learning moment? Either way, here are 10 times idioms were used incorrectly in famous situations.
Origin of scratch hardness
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019