Loading earlier words…
Ox

The male of bovine quadrupeds, especially the domestic animal when castrated and grown to its full size, or nearly so. The word is also applied, as a general name, to any species of bovine animals, male and female.

ox-tongue oxtongue

A widespread European weed (Picris echioides formerly Helminthia echioides) with spiny tongue-shaped leaves and yellow flowers. The name is applied to several plants, from the shape and roughness of their leaves; as, Anchusa officinalis, a kind of bugloss, and Helminthia echioides, both European herbs. It has been naturalized in the U. S.

Oxalan

A complex nitrogenous substance C3N3H5O3 obtained from alloxan (or when urea is fused with ethyl oxamate), as a stable white crystalline powder; -- called also oxaluramide.

Oxalantin

A white crystalline nitrogenous substance (C6H4N4O5) obtained by the reduction of parabanic acid; -- called also leucoturic acid.

Oxalethyline

A poisonous nitrogenous base (C6H10N2) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine.

Oxalic

Pertaining to, derived from, or contained in, sorrel, or oxalis; specifically, designating an acid found in, and characteristic of, oxalis, and also certain plant of the Buckwheat family.

Oxalis

A genus of plants, mostly herbs, with acid-tasting trifoliolate or multifoliolate leaves; -- called also wood sorrel.

Oxalite

A yellow mineral consisting of oxalate of iron.

Oxaluric

Pertaining to, or designating, a complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance.

Oxalyl

A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it. An old name for carbonyl. An old name for carboxyl.

Oxamethane

Ethyl oxamate, obtained as a white scaly crystalline powder.

Oxamethylane

Methyl oxamate, obtained as a pearly white crystalline substance.

Oxamic

Pertaining to, or designating, an acid NH2.CO.CO.HO obtained as a fine crystalline powder, intermediate between oxalic acid and oxamide. Its ammonium salt is obtained by boiling oxamide with ammonia.

Oxamide

A white crystalline neutral substance (C2O2(NH2)2) obtained by treating ethyl oxalate with ammonia. It is the acid amide of oxalic acid. Formerly called also oxalamide.

Oxamidine

One of a series of bases containing the amido and the isonitroso groups united to the same carbon atom.

Oxanilamide

A white crystalline nitrogenous substance, obtained indirectly by the action of cyanogen on aniline, and regarded as an anilide of oxamic acid; -- called also phenyl oxamide.

Oxanilic

Pertaining to, or derived from, oxalic acid and aniline; -- used to designate an acid obtained in white crystalline scales by heating these substances together.

Oxanilide

A white crystalline substance, resembling oxanilamide, obtained by heating aniline oxalate, and regarded as a double anilide of oxalic acid; -- called also diphenyl oxamide.

Oxbane

A poisonous bulbous plant (Buphane toxicaria) of the Cape of Good Hope.

Oxbird

The dunlin. The sanderling. An African weaver bird (Textor alector).

Oxbow

A frame of wood, bent into the shape of the letter U, and embracing an ox's neck as a kind of collar, the upper ends passing through the bar of the yoke; also, anything so shaped, as a bend in a river.

Oxeye

The oxeye daisy. See under Daisy. The corn camomile (Anthemis arvensis). A genus of composite plants (Buphthalmum) with large yellow flowers.

Oxeyed

Having large, full eyes, like those of an ox.

Oxfly

The gadfly of cattle.

Oxford

Of or pertaining to the city or university of Oxford, England.

Oxgoad

A goad for driving oxen.

Oxhead

Literally, the head of an ox (emblem of cuckoldom); hence, a dolt; a blockhead.

Oxheart

A large heart-shaped cherry, either black, red, or white.

Oxhide

The skin of an ox, or leather made from it.

Oxidability

Capability of being converted into an oxide.

Oxidable

Capable of being converted into an oxide.

Oxidation

The act or process of oxidizing, or the state or result of being oxidized.

oxidative

of or pertaining to oxidation; accompanied by oxidation.

Oxide

A binary compound of oxygen with an atom or radical, or a compound which is regarded as binary; as, iron oxide, ethyl oxide, nitrogen oxide, etc.

oxidization

The process of oxidizing; the addition of oxygen to a compound with a loss of electrons. The process always occurs accompanied by reduction.

Oxidize

To combine with oxygen, or subject to the action of oxygen, or of an oxidizing agent. To combine with oxygen or with more oxygen; to add oxygen to; as, to oxidize nitrous acid so as to form nitric acid. To remove hydrogen from (anything), as by the action of oxygen; as, to oxidize alcohol so as to form aldehyde. To subject to the action of oxygen or of an oxidizing agent, so as to bring to a higher grade, as an -ous compound to an -ic compound; as, to oxidize mercurous chloride to mercuric chloride.

oxidized

combined with or having undergone a chemical reaction with oxygen; as, the oxidized form of iodine.

Oxidizer

An agent employed in oxidation, or which facilitates or brings about combination with oxygen; as, nitric acid, chlorine, bromine, etc., are strong oxidizers.

Oxidulated

Existing in the state of a protoxide; -- said of an oxide.

Oxime

One of a series of isonitroso derivatives obtained by the action of hydroxylamine on aldehydes or ketones.

Oxindol

A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a so-called lactam compound.

Oxiodic

Pertaining to, or designating, certain compounds of iodine and oxygen.

Oxlike

Characteristic of, or like, an ox.

Oxlip

The great cowslip (Primula veris, var. elatior).

Oxonian

A student or graduate of Oxford University, in England.

Oxonic

Pertaining to, or designating, a complex nitrogenous acid (C4H5N3O4) not known in the free state, but obtained, in combination with its salts, by a slow oxidation of uric acid, to which it is related.

Oxpecker

An African bird of the genus Buphaga; the beefeater.

Oxshoe

A shoe for oxen, consisting of a flat piece of iron nailed to the hoof.

Oxter

The armpit; also, the arm.

oxyacetic

Hydroxyacetic; designating an acid called also glycolic acid.

oxyacetylene

Of or pertaining to a mixture of oxygen and actylene; as, an oxyacetylene torch.

oxyacetylene torch

A torch designed to mix oxygen and actylene at its tip, to create a very hot flame for welding, cutting steel, and other metal working.

Oxyacid

An acid containing oxygen, as chloric acid or sulphuric acid; -- contrasted with the hydracids, which contain no oxygen, as hydrochloric acid. See Acid, and Hydroxy-.

Oxybenzoic

Hydroxybenzoic; pertaining to, or designating, any one of several hydroxyl derivatives of benzonic acid, of which the commonest is salicylic acid.

Oxybromic

Pertaining to, or designating, certain compounds of oxygen and bromine.

Oxybutyric

Hydroxybutyric; designating any one of a group of metameric acids ((C3H6.OH).CO2H).

Oxycalcium

Of or pertaining to oxygen and calcium; as, the oxycalcium light. See Drummond light.

Oxychloric

Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine. Formerly designating an acid now called perchloric acid. See Perchloric.

Oxychloride

A ternary compound of oxygen and chlorine; as, plumbic oxychloride.

Oxygenate

To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide).

Oxygenation

The act or process of combining or of treating with oxygen; oxidation.

Oxygenic

Pertaining to, containing, or resembling, oxygen; producing oxygen.

Oxygon

A triangle having three acute angles.

Oxyhydrogen

Of, pertaining to, or consisting of, a mixture of oxygen and hydrogen at over 5000/ F.

Oxymel

A mixture of honey, water, vinegar, and spice, boiled to a sirup.

Oxymethylene

Formic aldehyde, regarded as a methylene derivative.

Oxymoron

A figure in which an epithet of a contrary signification is added to a word; e. g., cruel kindness; laborious idleness.

Oxymuriate

A salt of the supposed oxymuriatic acid; a chloride.

Oxymuriatic

Pertaining to, or consisting of, oxygen and muriatic acid, that is, hydrochloric acid.

Oxyntic

Acid; producing acid; -- applied especially to certain glands and cells in the stomach.

Oxyphenic

Pertaining to, or designating, the phenol formerly called oxyphenic acid, and now oxyphenol and pyrocatechin. See Pyrocatechin.

Oxyphenol

A phenol, C6H4(OH)2, produced by the distillation of catechin; called also oxyphenic acid, and now pyrocatechin.

Oxyphony

Acuteness or shrillness of voice.

Oxyquinoline

Hydroxy quinoline; a phenol derivative of quinoline, -- called also carbostyril.

Oxyrrhodine

A mixture of two parts of the oil of roses with one of the vinegar of roses.

Oxysalt

A salt of an oxyacid, as a sulphate.

Oxytocic

Promoting uterine contractions, or parturition. An oxytocic medicine or agent.

Oxytoluene

One of three hydroxy derivatives of toluene, called the cresols. See Cresol.

Oyer

A hearing or an inspection, as of a deed, bond, etc., as when a defendant in court prays oyer of a writing.

Oyez

Hear; attend; -- a term used by criers of courts to secure silence before making a proclamation. It is repeated three times.

Loading more words…