Part 904

So from the seas exerts his radiant head The star by whom the lights of heaven are led.

Dryden.

2. To put force, ability, or anything of the nature of an active faculty; to put in vigorous action; to bring into active operation; as, to exert the strength of the body, limbs, faculties, or imagination; to exert the mind or the voice.

3. To put forth, as the result or exercise of effort; to bring to bear; to do or perform.

When we will has exerted an act of command on any faculty of the soul or member of the body.

South.

To exert one's self, to use efforts or endeavors; to strive; to make an attempt.

Ex*er"tion (?), n. The act of exerting, or putting into motion or action; the active exercise of any power or faculty; an effort, esp. a laborious or perceptible effort; as, an exertion of strength or power; an exertion of the limbs or of the mind; it is an exertion for him to move, to-day.

Syn. -- Attempt; endeavor; effort; essay; trial. See Attempt.

Ex*ert"ive (?), a. Having power or a tendency to exert; using exertion.

Ex*ert"ment (?), n. Exertion. [R.]

Ex*e"sion (?), n. [L. exedere, exesum, to eat up; ex out + edere to eat.] The act of eating out or through. [Obs.] Sir T. Browne.

Ex*es"tu*ate (?), v. i. [L. exaestuatus,p. p. of exaestuare to boil up. See Estuate.] To be agitated; to boil up; to effervesce. [Obs.]

Ex*es`tu*a"tion (?), n. [L. exaestuatio.] A boiling up; effervescence. [Obs.] Boyle.

||Ex"e*unt (?). [L., 3d pers. pl. pres. of exire to go out.] They go out, or retire from the scene; as, exeunt all except Hamlet. See 1st Exit.

Ex`fe*ta"tion (?), n [Pref. ex- + fetation.] (Med.) Imperfect fetation in some organ exterior to the uterus; extra-uterine fetation. Hoblyn.

Ex*fo"li*ate (?), v. i. [imp. & p. p. Exfoliated (?); p. pr. & vb. n. Exfoliating (?).] [L. exfoliare to strip of leaves; ex out, from + folium leaf.] 1. To separate and come off in scales or laminæ, as pieces of carious bone or of bark.

2. (Min.) To split into scales, especially to become converted into scales at the result of heat or decomposition.

Ex*fo"li*ate v. t. To remove scales, laminæ, or splinters from the surface of.

Ex*fo`li*a"tion (?), n. [Cf. F. exfoliation.] The scaling off of a bone, a rock, or a mineral, etc.; the state of being exfoliated.

Ex*fo"li*a"tive (?), a. [Cf.F. exfoliatif.] Having the power of causing exfoliation. -- n. An exfoliative agent. Wiseman.

Ex*hal"a*ble (?), a. Capable of being exhaled or evaporated. Boyle.

Ex*hal"ant (?), a. [Cf. F. exhalant.] Having the quality of exhaling or evaporating.

Ex`ha*la"tion (?), n. [L. exhalatio: cf. F. exhalaison, exhalation.] 1. The act or process of exhaling, or sending forth in the form of steam or vapor; evaporation.

2. That which is exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc.

Ye mists and exhalations, that now rise From hill or steaming lake.

Milton.

3. A bright phenomenon; a meteor.