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Ointment

That which serves to anoint; any soft unctuous substance used for smearing or anointing; an unguent.

ojo

A spring, surrounded by rushes or rank grass; an oasis.

okapi

A peculiar mammal (Okapia johnstoni) closely related to the giraffe, discovered in the deep forests of Belgian Congo in 1900. It is smaller than an ox, and somewhat like a giraffe, except that the neck is much shorter. Like the giraffe, it has no dewclaws. There is a small prominence on each frontal bone of the male. The color of the body is chiefly reddish chestnut, the cheeks are yellowish white, and the fore and hind legs above the knees and the haunches are striped with purplish black and cream color.

Okapia

A genus of mammals comprising the okapis.

okay

to approve; as, the boss okayed my proposal.

Oke

A Turkish and Egyptian weight, equal to about 2/ pounds.

Okenite

A massive and fibrous mineral of a whitish color, chiefly hydrous silicate of lime.

Okinawa

the largest island of the central Ryukyu Islands.

Okra

An annual plant (Abelmoschus esculentus syn. Hibiscus esculentus), whose green pods, abounding in nutritious mucilage, are much used for soups, stews, or pickles; gumbo.

Olay

Palm leaves, prepared for being written upon with a style pointed with steel.

Old

Open country.

Old Line State

Maryland; a nickname, alluding to the fact that its northern boundary is Mason and Dixon's line.

Old World

The combined territories of Europe, Asia, and Africa. The Eastern Hemisphere, as distinguished from The Americas, Australia, and the Pacific Islands.

Old-fashioned

Formed according to old or obsolete fashion or pattern; belonging to or characteristic of times past; adhering to old customs, styles, or ideas; as, an old-fashioned dress, girl; old-fashioned wire-rimmed glasses.

old-hat

same as old-fashioned, a., 2.

old-maidish

Like an old maid; prim; precise; particular; overly fastidious.

Old-maidism

The condition or characteristics of an old maid.

old-man-of-the-woods

An edible mild-tasting mushroom (Strobilomyces floccopus) found in coniferous woodlands of eastern North America.

old-womanish

Like an old woman; anile; primly fastidious; old-maidish.

old-world

Characteristic of former times especially in Europe; as, an old-world cottage.

Olden

To grow old; to age.

Oldness

The state or quality of being old; old age.

oldwife

The local name of various fishes, as the European black sea bream (Cantharus lineatus), the American alewife, etc.

Olea

A genus of trees including the olive.

Oleaceae

A natural family of trees and shrubs having berries or drupes or capsules as fruits; the olive family; sometimes placed in the order Oleales; it includes the olive; ash; jasmine; privet; and lilac.

Oleaceous

Of, pertaining to, or resembling, a natural family of plants (Oleaceae), mostly trees and shrubs, of which the olive is the type. It includes also the ash, the lilac, the true jasmine, and fringe tree.

Oleaginous

Having the nature or qualities of oil; oily; unctuous.

Oleamen

A soft ointment prepared from oil.

Oleander

A beautiful evergreen shrub (Nerium oleander) of the Dogbane family, having clusters of fragrant red, white, or pink flowers. It is a 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.

Oleandra

A genus of tropical epiphytic or terrestrial ferns; also classed as the family Polypodiaceae.

Oleandraceae

One of a number of families into which Polypodiaceae has been subdivided in some classification systems.

Oleandrin

One of several cardiac glycosides (C32H48O9) found in oleander (Nerium oleander).

Oleandrine

One of several alkaloids found in the leaves of the oleander (Nerium oleander).

Olearia

A large genus of Australian evergreen shrubs or small trees with large daisylike flowers.

Oleaster

The wild olive tree (Olea Europea, var. sylvestris). Any species of the genus Elaeagus. See Eleagnus. The small silvery berries of the common species (Elaeagnus hortensis) are called Trebizond dates, and are made into cakes by the Arabs.

Oleate

A salt of oleic acid. Some oleates, as the oleate of mercury, are used in medicine by way of inunction.

Olecranon

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.

Olefiant

Forming or producing an oil; specifically, designating a colorless gaseous hydrocarbon called ethylene (olefiant gas).

Oleic

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.

Olein

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 glycerol to form the fat, it is technically known as triolein. It is also called elain.

Oleograph

The form or figure assumed by a drop of oil when placed upon water or some other liquid with which it does not mix.

Oleography

Art or process of producing the pictures known as oleographs.

Oleomargarine

A liquid oil made from animal fats (esp. beef fat) by separating the greater portion of the solid fat or stearin, by crystallization. It is mainly a mixture of olein and palmitin with some little stearin.

Oleometer

An instrument for ascertaining the weight and purity of oil; an elaiometer.

Oleone

An oily liquid, obtained by distillation of calcium oleate, and probably consisting of the ketone of oleic acid.

Oleoresin

A natural mixture of a terebinthinate oil and a resin.

Oleosity

The state or quality of being oily or fat; fatness.

Oleraceous

Pertaining to pot herbs; of the nature or having the qualities of herbs for cookery; esculent.

Olf

The European bullfinch.

Olfaction

The sense by which the impressions made on the olfactory organs by the odorous particles in the atmosphere are perceived.

Olfactory

An olfactory organ; also, the sense of smell; -- usually in the plural.

Olfersia

genus consisting of one species; in some classification systems it is included in the genus Polyboatrya.

Olibanum

The fragrant gum resin of various species of Boswellia; Oriental frankincense.

Olibene

A colorless mobile liquid of a pleasant aromatic odor obtained by the distillation of olibanum, or frankincense, and regarded as a terpene; -- called also conimene.

Oligarch

A member of an oligarchy; one of the rulers in an oligarchical government.

Oligarchy

A form of government in which the supreme power is placed in the hands of a few persons; also, those who form the ruling few.

Oligist

Hematite or specular iron ore; -- prob. so called in allusion to its feeble magnetism, as compared with magnetite.

Oligocene

Of, pertaining to, or designating, certain strata which occupy an intermediate position between the Eocene and Miocene periods. The Oligocene period. See the Chart of Geology.

Oligochaeta Oligochaeta

An order of Annelida which includes the earthworms and related species, including some small freshwater species.

oligochaete

Any of an order of hermaphroditic terrestrial and aquatic annelids (including the earthworms) having bristles borne singly along the length of the body; a member of the Oligochaeta.

Oligoclase

A triclinic soda-lime feldspar. See Feldspar.

oligomer

A molecule composed of a small number of linked monomer units; a short polymer; -- compounds called oligomers have less than one hundred monomer units and usually less than thirty. Oligomers of increasing length are called dimer, trimer, tetramer, pentamer, hexamer, heptamer, octamer, nonamer, decamer, etc. In colloquial laboratory jargon, they may also be referred to as nine-mer, ten-mer, eleven-mer, twelve-mer, etc., especially for oligomers of greater than eight units.

Oligomerous

Having few members in each set of organs; as, an oligomerous flower.

Oligomyoid

Having few or imperfect syringeal muscles; -- said of some passerine birds (Oligomyodi).

Oligosiderite

A meteorite characterized by the presence of but a small amount of metallic iron.

Olio

A dish of stewed meat of different kinds.

Olitory

Of or pertaining to, or produced in, a kitchen garden; used for kitchen purposes; as, olitory seeds.

Oliva

A genus of polished marine gastropod shells, chiefly tropical, and often beautifully colored.

Olivaceous

Resembling the olive; of the color of the olive; olive-green.

Olive

Approaching the color of the olive; of a peculiar dark brownish, yellowish, or tawny green.

Olived

Decorated or furnished with olive trees.

Olivenite

An olive-green mineral, a hydrous arseniate of copper (Cu2(AsO4)(OH)); olive ore.

Oliver

A small tilt hammer, worked by the foot.

Olivewood

The wood of the olive. An Australian name given to the hard white wood of certain trees of the genus Elaeodendron, and also to the trees themselves.

Olivil

A white crystalline substance, obtained from an exudation from the olive, and having a bitter-sweet taste and acid proporties.

Olivin

A complex bitter gum, found on the leaves of the olive tree; -- called also olivite.

Olivine

A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks. It is a silicate of magnesium and iron ((Mg,Fe)SiO4).

Olla

A pot or jar having a wide mouth; a cinerary urn, especially one of baked clay.

Olla-podrida

A favorite Spanish dish, consisting of a mixture of several kinds of meat chopped fine, and stewed with vegetables.

olm

A European cave-dwelling aquatic salamander (Proteus anguinus) with permanent external gills.

Ology

A colloquial or humorous name for any science or branch of knowledge.

Olpe

Originally, a leather flask or vessel for oils or liquids; afterward, an earthenware vase or pitcher without a spout.

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