ergal

== English == === Etymology === Coined by Rudolf Clausius in 1870 (On a Mechanical Theorem Applicable to Heat), derived from Ancient Greek ἔργον (érgon). === Noun === ergal (plural ergals) (physics, archaic) potential energy; negative value of the force function === References === === Anagrams === Agler, Alger, Elgar, Large, Ragle, glare, lager, large, regal