Definition of antithrombin
: any of a group of substances that inhibit blood clotting by inactivating thrombin
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
“In Vino Veritas” and Other Latin Phrases to Live By
Top 10 Latin Phrases
Is It 'Home In' or 'Hone In'?
Both are used, but home in does a better job of...
Merriam-Webster's Words of the Week - Jan. 21
From the week ending 1/21/2022
On Synecdoche and Metonymy
When you are left to your own rhetorical devices.
Ask the Editors