Defn: Destructive; fatal. [Obs.] "Exitial fevers." Harvey.
EX LIBRIS
Ex` li"bris. [L. ex from + libris books.]
Defn: An inscription, label, or the like, in a book indicating its ownership; esp., a bookplate.
EXMOOR
Ex"moor, n. [From Exmoor, a district in Somersetshire and
Devonshire.]
1. One of a breed of horned sheep of Devonshire, England, having white legs and face and black nostrils. They are esp. valuable for mutton.
2. A breed of ponies native to the Exmoor district.
EXO; EXO-
Ex"o. Etym: [Gr. Ex-.]
Defn: A prefix signifying out of, outside; as in exocarp, exogen, exoskeleton.
EXOCARDIAC; EXOCARDIAL
Ex`o*car"di*ac, Ex`o*car"di*al, a. Etym: [Exo- + Gr. (Anat.)
Defn: Situated or arising outside of the heat; as, exocardial murmurs; — opposed to endocardiac.