early termination of pregnancy
1. (def 3). equal transit rate Etruria
etretinate e·tret·i·nate (ĭ-trět’n-āt’) n. A retinoid used in the treatment of severe recalcitrant psoriasis.
messaging, protocol (“Extended TURN”) An ESMTP command (first defined in RFC 1985) with which a client asks the server to deliver queued mail to the client via a new ESMTP connection. ETRN supersedes the SMTP “TURN” command in the same way that ESMTP’s “EHLO” supersedes SMTP’s “HELO”. (1997-11-21)