2. At some one period of time; -- used indefinitely.

My soul had once some foolish fondness for thee.

Addison.

That court which we shall once govern.

Bp. Hall.

3. At any one time; -- often nearly equivalent to ever, if ever, or

whenever; as, once kindled, it may not be quenched.

Wilt thou not be made clean? When shall it once be?

Jer. xiii. 27.

To be once in doubt Is once to be resolved.

Shak.

Once is used as a noun when preceded by this or that; as, this once,

that once. It is also sometimes used elliptically, like an adjective,

for once- existing. "The once province of Britain." J. N. Pomeroy.

At once. (a) At the same point of time; immediately; without delay.

"Stand not upon the order of your going, but go at once." Shak. "I . .

. withdrew at once and altogether." Jeffrey. (b) At one and the same

time; simultaneously; in one body; as, they all moved at once. -- Once

and again, once and once more; repeatedly. "A dove sent forth once and

again, to spy." Milton.

||On*cid"i*um (?), n. [NL.] (Bot.) A genus of tropical orchidaceous

||plants, the flower of one species of which (O. Papilio) resembles a

||butterfly.

On"co*graph (?), n. [Gr. &?; bulk + -graph.] (Physiol.) An instrument

for registering the changes observable with an oncometer.

On*com"e*ter (?), n. [Gr. &?; bulk + -meter.] (Physiol.) An instrument

for measuring the variations in size of the internal organs of the

body, as the kidney, spleen, etc.

On*cot"o*my ("kt**m), n. [Gr. 'o`gkos bulk, mass + te`mnein to cut: cf.

F. oncotomie.] (Surg.) The opening of an abscess, or the removal of a

tumor, with a cutting instrument. [Written also onkotomy.] Dunglison.

Onde (?), n. [AS. anda malice, anger; akin to Icel. andi, önd, breath.]

Hatred; fury; envy. [Obs.]

||On` dit" (?). [F.] They say, or it is said. -- n. A flying report;

||rumor; as, it is a mere on dit.

-one (?). [From Gr. -w`nh, signifying, female descendant.] (Chem.) A

suffix indicating that the substance, in the name of which it appears,

is a ketone; as, acetone.

-one.(Chem.) A termination indicating that the hydrocarbon to the name

of which it is affixed belongs to the fourth series of hydrocarbons, or

the third series of unsaturated hydrocarbonsl as, nonone.

One (?), a. [OE. one, on, an, AS. än; akin to D. een, OS. ën, OFries.

ën, än, G. ein, Dan. een, Sw. en, Icel. einn, Goth. ains, W. un, Ir. &

Gael. aon, L. unus, earlier oinos, oenos, Gr. &?; the ace on dice; cf.

Skr. ëka. The same word as the indefinite article a, an. √ 299.

Cf. 2d A, 1st An, Alone, Anon, Any, None, Nonce, Only, Onion, Unit.] 1.

Being a single unit, or entire being or thing, and no more; not

multifold; single; individual.

The dream of Pharaoh is one.

Gen. xli. 25.

O that we now had here But one ten thousand of those men in

England.

Shak.

2. Denoting a person or thing conceived or spoken of indefinitely; a

certain. "I am the sister of one Claudio" [Shak.], that is, of a

certain man named Claudio.

3. Pointing out a contrast, or denoting a particular thing or person

different from some other specified; -- used as a correlative

adjective, with or without the.

From the one side of heaven unto the other.

Deut. iv. 32.

The Gutenberg Webster's Unabridged Dictionary: Section M, N, and O · 第 1732 / 2147 题