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Relating to evolution; as, evolutionary discussions.

. A prefix from the latin preposition, ex, akin to Gr. 'ex or 'ek signifying out of, out, proceeding from. Hence, in composition, it signifies out of, as, in exhale, exclude; off, from, or out. as in exscind; beyond, as, in excess, exceed, excel; and sometimes has a privative sense of without, as in exalbuminuos, exsan…

e or discoloration of the skin; an eruption or breaking out, as in measles, smallpox, scarlatina, and the like diseases; -- sometimes limited to eruptions attended with fever. Dunglison.

Of, relating to, or characterized by, exanthema; efflorescent; as, an exanthematous eruption.

roduce an exhaust draught, or to draw air or gas out of a place, as out of a room in ventilating it. -- Exhaust nozzle, Exhaust orifice (Steam Engine), the blast orifice or nozzle. -- Exhaust pipe (Steam Engine), the pipe that conveys exhaust steam from the cylinder to the atmosphere or to the condenser. Exhaust port…

Relating to exogamy; marrying outside of the limits of one's own tribe; -- opposed to endogenous.

Having a radicle which is not inclosed by the cotyledons or plumule; of or relating to an exorhiza.

Rising; relating to the east. [R.]

. Governed by expediency; seeking advantage; as an expediential policy. "Calculating, expediential understanding." Hare. -- Ex*pe`di*en"tial*ly , adv.

The act of expilating or stripping off; plunder; pillage. [Obs.] This ravenous expiation of the state. Daniel.

The act of expostulating or reasoning with a person in opposition to some impropriety of conduct; remonstrance; earnest and kindly protest; dissuasion. We must use expostulation kindly. Shak.

Intended for a particular purpose; relating to an express; sent on a particular errand; dispatched with special speed; as, an express messenger or train. Also used adverbially. A messenger sent express from the other world. Atterbury. Express color. (Law) See the Note under Color, n., 8.

Of, or relating to, expression; phraseological; also, vividly representing or suggesting an idea sentiment. Fized. Hall. Ruskin.

Relating to foreign nations; foreign; as, the exterior relations of a state or kingdom. Exterior angle (Geom.), the angle included between any side of a triangle or polygon and the prolongation of the adjacent side; also, an angle included between a line crossing two parallel lines and either of the latter on the outsi…

Outward; exterior; relating to the outside, as of a body; being without; acting from without; -- opposed to internal; as, the external form or surface of a body. Of all external things, . . . She [Fancy] forms imaginations, aery shapes. Milton.

Relating to the inspection of entrails for prognostication. [Obs.] Sir T. Browne.

A Latin preposition, denoting beyond, outside of; -- often used in composition as a prefix signifying outside of, beyond, besides, or in addition to what is denoted by the word to which it is prefixed.

letter of the English alphabet, and a nonvocal consonant. Its form and sound are from the Latin. The Latin borrowed the form from the Greek digamma w consonant. The form and value of Greek letter came from the Phoenician, the ultimate source being probably Egyptian. Etymologically fis most closely related to p,k,v, and…

Relating to, or containing, facts. [R.]

the scale used by Gabriel Daniel Fahrenheit in the graduation of his thermometer; of or relating to Fahrenheit's thermometric scale. -- n.