Rip"ple, v. i. [imp. & p. p. Rippled (?); p. pr. & vb. n. Rippling
(?).] [Cf. Rimple, Rumple.] 1. To become fretted or dimpled on the
surface, as water when agitated or running over a rough bottom; to be
covered with small waves or undulations, as a field of grain.
2. To make a sound as of water running gently over a rough bottom, or
the breaking of ripples on the shore.
Rip"ple, v. t. To fret or dimple, as the surface of running water; to
cover with small waves or undulations; as, the breeze rippled the lake.
Rip"ple, n. 1. The fretting or dimpling of the surface, as of running
water; little curling waves.
2. A little wave or undulation; a sound such as is made by little
waves; as, a ripple of laughter.
3. (physics) a small wave on the surface of water or other liquids for
which the driving force is not gravity, but surface tension.
4. (Electrical engineering) the residual AC component in the DC current
output from a rectifier, expressed as a percentage of the steady
component of the current.
Ripple grass. (Bot.) See Ribwort. -- Ripple marks, a system of parallel
ridges on sand, produced by wind, by the current of a steam, or by the
agitation of wind waves; also (Geol.), a system of parallel ridges on
the surface of a sandstone stratum.
Rip"ple-marked` (?), a. Having ripple marks.
Rip"plet (?), n. A small ripple.
Rip"pling*ly (?), adv. In a rippling manner.
Rip"ply (?), a. Having ripples; as, ripply water; hence, resembling the
sound of rippling water; as, ripply laughter; a ripply cove. Keats.
Rip"rap` (?), n. [Cf. Rap.] (Masonry) A foundation or sustaining wall
of stones thrown together without order, as in deep water or on a soft
bottom.
Rip"rap`, v. t. [imp. & p. p. Riprapped (?); p. pr. & vb. n.
Riprapping.] To form a riprap in or upon.
Rip"saw` (?), [See Rip, v. t., 4.] (Carp.) A handsaw with coarse teeth
which have but a slight set, used for cutting wood in the direction of
the fiber; -- called also ripping saw.
Rip"tow*el (?), n. [AS. rp. harvest + a word of uncertain etymology.]
(Feud. Law) A gratuity given to tenants after they had reaped their
lord's corn. [Obs.]
Ris (?), n. [AS. hrs; akin to D. rils, G. reis, OHG. hrs.] A bough or
branch; a twig. [Obs.]
As white as is the blossom upon the ris.
Chaucer.
Rise (?), v. i. [imp. Rose (?); p. p. Risen (?); p. pr. & vb. n.
Rising.] [AS. rsan; akin to OS. rsan, D. rijzen, OHG. rsan to rise,
fall, Icel. rsa, Goth. urreisan, G. reise journey. CF. Arise, Raise,
Rear, v.] 1. To move from a lower position to a higher; to ascend; to
mount up. Specifically: -- (a) To go upward by walking, climbing,
flying, or any other voluntary motion; as, a bird rises in the air; a
fish rises to the bait.
(b) To ascend or float in a fluid, as gases or vapors in air, cork in
water, and the like.
(c) To move upward under the influence of a projecting force; as, a
bullet rises in the air.
(d) To grow upward; to attain a certain height; as, this elm rises to
the height of seventy feet.
(e) To reach a higher level by increase of quantity or bulk; to swell;
as, a river rises in its bed; the mercury rises in the thermometer.
(f) To become erect; to assume an upright position; as, to rise from a
chair or from a fall.
(g) To leave one's bed; to arise; as, to rise early.
He that would thrive, must rise by five.
Old Proverb.
(h) To tower up; to be heaved up; as, the Alps rise far above the sea.
(i) To slope upward; as, a path, a line, or surface rises in this
direction. "A rising ground." Dryden.
(j) To retire; to give up a siege.
He, rising with small honor from Gunza, . . . was gone.
Knolles.
(k) To swell or puff up in the process of fermentation; to become
light, as dough, and the like.