Ex`o*ther"mic (?), a. [Pref. exo- + thermic.] (Chem.) Characterized by, or formed with, evolution of heat; as, an exothermic reaction; -- opposed to endothermic.
Ex*pe"ri*ence ta"ble. (Life Insurance) A table of mortality computed from the experience of one or more life- insurance companies.
Ex*press" ri"fle. A sporting rifle for use at short ranges, employing a large charge of powder and a light (short) bullet, giving a high initial velocity and consequently a flat trajectory. It is usually of moderately large caliber.
Express train. Formerly, a railroad train run expressly for the occasion; a special train; now, a train run at express or special speed and making few stops.
Ex*sert" (?), v. t. [imp. & p. p. Exserted; p. pr. & vb. n. Exserting.] [See Exsert, a., Exert.] To thrust out; to protrude; as, some worms are said to exsert the proboscis.
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||Ex`terne" (ks`trn"), n. [F.] An extern; esp;, a doctor or medical student who is in attendance upon, or is assisting at, a hospital, but who does not reside in it.
Ex"tra (?), n. 1. Something in addition to what is due, expected, or customary; esp., an added charge or fee, or something for which an additional charge is made.