2. Fluctuation; variation; change back and forth.

His mind oscillated, undoubtedly; but the extreme points of the

oscillation were not very remote.

Macaulay.

Axis of oscillation, Center of oscillation. See under Axis, and Center.

Os"cil*la*tive (?), a. Tending to oscillate; vibratory. [R.] I. Taylor.

||Os`cil*la*to"ri*a (?), n. pl. [NL. See Oscillatory.] (Bot.) Same as

||Oscillaria.

Os"cil*la*to*ry (?), a. [Cf. F. oscillatoire. See Oscillate.] Moving,

or characterized by motion, backward and forward like a pendulum;

swinging; oscillating; vibratory; as, oscillatory motion.

Os"cine (?), a. (Zoöl.) Relating to the Oscines.

||Os"ci*nes (?), n. pl. [L. oscen, -inis.] (Zoöl.) Singing birds; a

||group of the Passeres, having numerous syringeal muscles, conferring

||musical ability.

Os*cin"i*an (?), n. (Zoöl.) One of the Oscines, or singing birds.

Os*cin"i*an, n. (Zoöl.) Any one of numerous species of dipterous files

of the family Oscinidæ.

Some, whose larvæ live in the stalks, are very destructive to barley,

wheat, and rye; others, as the barley fly (Oscinis frit), destroy the

heads of grain.

Os"ci*nine (?), a. (Zoöl.) Of or pertaining to the Oscines.

The Gutenberg Webster's Unabridged Dictionary: Section M, N, and O · 第 1917 / 2147 题