4 letters · 8 points in Scrabble
noun a unit of force equal to the force that imparts an acceleration of 1 cm/sec/sec to a mass of 1 gram
originFrom the French dyne, from the Ancient Greek δῠ́νᾰμῐς (dŭ́nămĭs, “force”).
Etymology from Wiktionary, CC BY-SA 3.0