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The act of driving forward; propulsion; -- opposed to Ant: suction or Ant: traction. [R.]

A driving or striking against; an appulse.

force. If reasons were as plentiful as blackberries, I would give no man a reason upon compulsion. Shak. With what complusion and laborious flight We sunk thus low. Milton.

A driving or thrusting away. [R.] Speed.

lling; a driving or forcing out; summary removal from membership, association, etc. The expulsion of the Tarquins. Shak.

agency of a body in motion on another body; also, the impelling force, or impulse. "The impulsion of the air." Bacon.

The act driving forward or away; the act or process of propelling; as, steam propulsion.

Renewed or repeated expulsion. Fuller.

ade to recede from each other, or to resist each other's nearer approach; as, molecular repulsion; electrical repulsion.

The act of giving premature birth; particularly, the expulsion of the human fetus prematurely, or before it is capable of sustaining life; miscarriage.

Exaction of forced service; compulsion. [Obs.] Speed.

By appulsion.

The act of expulsion.[Obs.] Abp. Laud.

Hence, any vessel; usually with some epithet descriptive of its use or mode of propulsion; as, pilot boat, packet boat, passage boat, advice boat, etc. The term is sometimes applied to steam vessels, even of the largest class; as, the Cunard boats.

e of being bound; condition of being under restraint; restraint of personal liberty by compulsion; involuntary servitude; slavery; captivity. The King, when he designed you for my guard, Resolved he would not make my bondage hard. Dryden.

disintegrating a substance, or rendering it friable by the action of heat, esp. by the expulsion of some volatile matter, as when carbonic and acid is expelled from carbonate of calcium in the burning of limestone in order to make lime.

ng to capillary tubes or vessels; as, capillary action. Capillary attraction, Capillary repulsion, the apparent attraction or repulsion between a soild and liquid caused bycapillarity. See Capillarity, and Attraction. -- Capillarity tubes. See the Note under Capillarity.

Force; compulsion, either in restraining or impelling. Sojth.

ot negatived by the fact of submission under force. "Coactus volui" (I consented under compulsion) is the condition of mind which, when there is volition forced by coercion, annuls the result of such coercion. Wharton.

By compulsion.