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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.

Oyster

Any marine bivalve mollusk of the genus Ostrea. They are usually found adhering to rocks or other fixed objects in shallow water along the seacoasts, or in brackish water in the mouth of rivers. The common European oyster (Ostrea edulis), and the American oyster (Ostrea Virginiana), are the most important species.

oyster catcher oystercatcher

Any one of several species of wading birds of the genus Haematopus having stout legs and bill and mostly black-and-white plumage, which frequent seashores and feed upon oysters and other shellfish. The European species (Haematopus ostralegus), the common American species (Haematopus palliatus), and the California, or black, oyster catcher (Haematopus Bachmani) are the best known.

Oyster-green

A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc.

Oystering

Gathering, or dredging for, oysters.

ozena

A discharge of fetid matter from the nostril, particularly if associated with ulceration of the soft parts and disease of the bones of the nose.

ozocerite

A waxlike mineral resin; -- sometimes called native paraffin, and mineral wax.

Ozonation

The act of treating with ozone; also, the act of converting into, or producing, ozone; ozonization.

ozone

A colorless gaseous substance (O3) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen, containing three atoms in the molecule. It is a strong oxidizer, and probably exists in the air, though by the ordinary tests it is liable to be confused with certain other substances, as hydrogen dioxide, or certain oxides of nitrogen. It derives its name from its peculiar odor, which resembles that of weak chlorine.

ozonic

Pertaining to, resembling, or containing, ozone.

ozonification

The act or process of producing, or of subjecting to the action of, ozone.

Ozonize

To convert into ozone, as oxygen. To treat with ozone.

Ozonizer

An apparatus or agent for the production or application of ozone.

Ozonometer

An instrument for ascertaining the amount of ozone in the atmosphere, or in any gaseous mixture.

Ozonometric

Pertaining to, or used for, the determination of the amount of ozone; of or relating to ozonometry.

Ozonometry

The measurement or determination of the quantity of ozone.

Ozonoscope

An apparatus employed to indicate the presence, or the amount, of ozone.

Ozonoscopic

Serving to indicate the presence or the amount of ozone.

ozonous

Pertaining to or containing, ozone.

Pa

A shortened form of Papa.

Paage

A toll for passage over another person's grounds.

Paas

The Easter festival.

Pablum

A form of cereal for infants.

pabular

Of, pertaining to, or fit for, pabulum or food; affording food.

Pabulous

Affording pabulum, or food; alimental.

pabulum

The means of nutriment to animals or plants; food; nourishment.

PAC

A political action committee, a committee formed by an organization or special-interest group to raise money to support candidates for office or to influence legislation. A PAC provides a legal means for corporations in the U. S. to support political candidates even when direct contributions from corporations to candidates is forbidden by law. In theory, the corporation may not itself contribute to a PAC, but may pay the expenses of raising money from individuals. PACs may also be formed by organizations other than commercial corporations, such as trade associations.

Pac

A kind of moccasin, having the edges of the sole turned up and sewed to the upper.

paca

A large burrowing South American rodent (Agouti paca syn. Cuniculus paca, formerly C/logenys paca), having blackish brown fur, with four parallel rows of white spots along its sides; the spotted cavy. It is closely allied to the agouti and the Guinea pig and is highly esteemed as food.

Pacane

A species of hickory. See Pecan.

pacate

Appeased; pacified; placated; tranquil.

Pacation

The act of pacifying; a peacemaking.

pace

A single movement from one foot to the other in walking; a step.

Pace

To walk over with measured tread; to move slowly over or upon; as, the guard paces his round.

Paced

Having, or trained in, [such] a pace or gait; trained; -- used in composition; as, slow-paced; a thorough-paced villain.

pacemaker

a specialized bit of heart tissue that controls the heartbeat.

pacer

One who, or that which, paces.

Pacha

A civil or military authority in Turkey or Egypt; same as Pasha.

Pachacamac

A divinity worshiped by the ancient Peruvians as the creator of the universe.

Pachak

The fragrant roots of the Saussurea Costus, exported from India to China, and used for burning as incense. It is supposed to be the costus of the ancients.

pachinko

A popular Japanese pinball game played on a vertical board.

pachometer

An instrument for measuring thickness, as of the glass of a mirror, or of paper; a pachymeter.

pachonta

A substance resembling gutta-percha, and used to adulterate it, obtained from the East Indian tree Isonandra acuminata.

pachouli

A small East Indian shrubby mint (Pogostemon cablin); a fragrant oil from its leaves is used in perfumes.

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