OPERATION n. 4 definitions
n of power, physical, mechanical, or moral. The pain and sickness caused by manna are the effects of its operation on the stomach. Locke. Speculative painting, without the assistance of manual operation, can never attain to perfection. Dryden.
OUSTER n.
putting out of possession; dispossession; ejection; disseizin. Ouster of the freehold is effected by abatement, intrusion, disseizin, discontinuance, or deforcement. Blackstone. Ouster le main. Etym: [Ouster + F. la main the hand, L. manus.] (Law) A delivery of lands out of the hands of a guardian, or out of the king'…
PASSIVE a.
-- Passive verb, or Passive voice (Gram.), a verb, or form of a verb, which expresses the effect of the action of some agent; as, in Latin, doceor, I am taught; in English, she is loved; the picture is admired by all; he is assailed by slander.