Old"en, v. i. To grow old; to age. [R.]

She had oldened in that time.

Thackeray.

Old`-fash"ioned (?), a. Formed according to old or obsolete fashion or

pattern; adhering to old customs or ideas; as, an old-fashioned dress,

girl. "Old-fashioned men of wit." Addison.

This old-fashioned, quaint abode.

Longfellow.

Old`-gen"tle*man*ly (?), a. Pertaining to an old gentleman, or like

one. Byron.

Old"ish, a. Somewhat old.

Old` lang syne" (?). See Auld lang syne.

Old`-maid"ish (?), a. Like an old maid; prim; precise; particular.

Old`-maid"ism (?), n. The condition or characteristics of an old maid.

G. Eliot.

Old"ness, n. The state or quality of being old; old age.

Old"ster (?), n. [Cf. Youngster.] An old person. [Jocular] H. Kingsley.

Old`-wom`an*ish (?), a. Like an old woman; anile. --

Old`-wom"an*ish*ness, n.

||O"le*a (?), n. [L. olive. See Olive.] (Bot.) A genus of trees

||including the olive.

The Chinese Olea fragrans, noted for its fragrance, and the American

devilwood (Olea Americana) are now usually referred to another genus

(Osmanthus).

O`le*a"ceous (?), a. [L. oléaceus of the olive tree.] (Bot.) Of,

pertaining to, or resembling, a natural order of plants (Oleaceæ),

mostly trees and shrubs, of which the olive is the type. It includes

also the ash, the lilac, the true jasmine, and fringe tree.

O`le*ag`i*nous (?), a. [L. oleaginus, oleagineus, belonging to the

olive, fr. olea olive: cf. F. oléagineux. See Olive, Oil.] Having the

nature or qualities of oil; oily; unctuous.

O`le*ag`i*nous*ness, n. Oiliness. Boyle.

||O`le*a"men (?), n. [L.] (Med.) A soft ointment prepared from oil.

||Dunglison.

O`le*an"der (?), n. [F. oléandre (cf. It. oleandro, LL. lorandrum),

prob. corrupted, under the influence of laurus laurel, fr. L.

rhododendron, Gr. &?;; &?; rose + &?; tree.] (Bot.) A beautiful

evergreen shrub of the Dogbane family, having clusters of fragrant red

or white flowers. It is native of the East Indies, but the red variety

has become common in the south of Europe. Called also rosebay, rose

laurel, and South-sea rose.

Every part of the plant is dangerously poisonous, and death has occured

from using its wood for skewers in cooking meat.

O`le*an"drine (?), n. (Chem.) One of several alkaloids found in the

leaves of the oleander.

O`le*as"ter (?), n. [L., fr. olea olive tree. See Olive, Oil.] (Bot.)

(a) The wild olive tree (Olea Europea, var. sylvestris). (b) Any

species of the genus Elæagus. See Eleagnus. The small silvery berries

of the common species (Elæagnus hortensis) are called Trebizond dates,

and are made into cakes by the Arabs.

O"le*ate (?), n. [Cf.F. oléate.] (Chem.) A salt of oleic acid. Some

oleates, as the oleate of mercury, are used in medicine by way of

inunction.

O*lec"ra*nal (?), a. (Anat.) Of or pertaining to the olecranon.

O*lec"ra*non (?), n. [NL., fr. Gr. &?;; &?; elbow + krani`on the head.]

(Anat.) The large process at the proximal end of the ulna which

projects behind the articulation with the humerus and forms the bony

prominence of the elbow.

O*le"fi*ant (?), a. [F. oléfiant, fr.L. oleum oil + -ficare (in comp.).

Cf. -Fy.] (Chem.) Forming or producing an oil; specifically,

designating a colorless gaseous hydrocarbon called ethylene. [Archaic]

O"le*fine (?), n. [From Olefiant.] (Chem.) Olefiant gas, or ethylene;

hence, by extension, any one of the series of unsaturated hydrocarbons

of which ethylene is a type. See Ethylene.

O"le*ic (?), a. [L. oleum oil: cf. F. oléique.] (Physiol.Chem.)

Pertaining to, derived from, or contained in, oil; as, oleic acid, an

acid of the acrylic acid series found combined with glyceryl in the

form of olein in certain animal and vegetable fats and oils, such as

sperm oil, olive oil, etc. At low temperatures the acid is crystalline,

but melts to an oily liquid above 14&?; C.

O`le*if`er*ous (?), a. [L. oleum oil + -ferous: cf.F. oléifére.]

Producing oil; as, oleiferous seeds.

O"le*in (?), n. [L. oleum oil: cf. F. oléine.] (Physiol. Chem.) A fat,

liquid at ordinary temperatures, but solidifying at temperatures below

0° C., found abundantly in both the animal and vegetable kingdoms (see

Palmitin). It dissolves solid fats, especially at 30-40° C. Chemically,

olein is a glyceride of oleic acid; and, as three molecules of the acid

are united to one molecule of glyceryl to form the fat, it is

technically known as triolein. It is also called elain.

O"lent (?), a. [L. olens, p. pr. of olere to smell.] Scented. [R.] R.

Browning.

The Gutenberg Webster's Unabridged Dictionary: Section M, N, and O · 第 1711 / 2147 题