plural of eternity ring

(finance) Acronym of Exchange-Traded Commodity. / (wireless location) Acronym of Electronic Toll Collection (system to eliminate delays on toll roads by collecting them electronically)

(Christianity) The sin which is unpardonable by God and therefore make salvation impossible.

plural of eternal sin

An interdisciplinary academic discipline that involves the study of the culture of one or more ethnic groups.

Used other than figuratively or idiomatically: see ethnic, music.

(Internet slang, historical) A period beginning around 1993, in which large amounts of new users were joining Usenet.

(music) A genre of darkwave music influenced by Gothic rock.

(dated) Alternative form of eternal life

(computing theory) One of the three rewrite rules of lambda calculus, which expresses a sort of tautology about function application. The rule says that a lambda abstraction of the form (𝜆x.(fx)) may be rewritten as simply f, provided that x does not occur freely in f (considered by itself).