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To cause to be no longer deceived; to free from deception, fraud, fallacy, or mistake. South.

weight, age, or the like; in a relation of the less to the greater, of inferiority, or of falling short. Three sons he dying left under age. Spenser. Medicines take effect sometimes under, and sometimes above, the natural proportion of their virtue. Hooker. There are several hundred parishes in England under twenty pou…

A subordinate cliff on a shore, consisting of material that has fallen from the higher cliff above.

A switch which opens a circuit when the current falls below a certain predetermined value, used to protect certain types of motors from running at excessive speed upon decrease of load.

To excavate the earth beneath, or the part of, especially for the purpose of causing to fall or be overthrown; to form a mine under; to sap; as, to undermine a wall. A vast rock undermined from one end to the other, and a highway running through it. Addison.

Rising and falling like waves; resembling wave form or motion; undulatory; rolling; wavy; as, an undulating medium; undulating ground. -- Un"du*la`ting*ly. adv.

waves; resembling the motion of waves, which successively rise or swell rise or swell and fall; pertaining to a propagated alternating motion, similar to that of waves. Undulatory theory, or Wave theory (of light) (Opt.), that theory which regards its various phenomena as due to undulations in an ethereal medium, propa…

o weaken; to enfeeble; as, to unnerve the arm. Unequal match'd, . . . The unnerved father falls. Shak.

A state of disagreement; a falling out. Thackeray.

Not softly. [Obs.] Great climbers fall unsoft. Spenser.

se conduct or action; folly; simplicity; ignorance. Sumptuary laws are among the exploded fallacies which we have outgrown, and we smile at the unwisdom which could except to regulate private habits and manners by statute. J. A. Froude.

To keep erect; to support; to sustain; to keep from falling; to maintain. Honor shall uphold the humble in spirit. Prov. xxix 3. Faulconbridge, In spite of spite, alone upholds the day. Shak.

ug, or cover, applied to an aperture so that by its movement, as by swinging, lifting and falling, sliding, turning, or the like, it will open or close the aperture to permit or prevent passage, as of a fluid.

to venery, or sexual love; relating to sexual intercourse. Into the snare I fell Of fair, fallacious looks, venereal trains, Softened with pleasure and voluptuous life. Milton.

ate sight of God in heaven. -- Direct vision (Opt.), vision when the image of the object falls directly on the yellow spot (see under Yellow); also, vision by means of rays which are not deviated from their original direction. -- Field of vision, field of view. See under Field. -- Indirect vision (Opt.), vision when…

y bulbs instead of seeds, or by the seeds themselves germinating on the plant, instead of falling, as they usually do; -- opposed to oviparous. Viviparous fish. (Zoöl.) See Embiotocoid. -- Viviparous shell (Zoöl.), any one of numerous species of operculated fresh-water gastropods belonging to Viviparus, Melantho, and…

. Milton. Over which dusky draperies are hanging, and voluminous curtains have long since fallen. De Quincey.

To be absent; to be deficient or lacking; to fail; not to be sufficient; to fall or come short; to lack; -- often used impersonally with of; as, it wants ten minutes of four. The disposition, the manners, and the thoughts are all before it; where any of those are wanting or imperfect, so much wants or is imperfect in t…

To cover with water or any liquid; to wet; to fall on and moisten; hence, to overflow or dash against; as, waves wash the shore. Fresh-blown roses washed with dew. Milton. [The landscape] washed with a cold, gray mist. Longfellow.

out or away of earth, etc., especially of a portion of the bed of a road or railroad by a fall of rain or a freshet; also, a place, especially in the bed of a road or railroad, where the earth has been washed away.