A white crystalline nitrogenous substance (C6H4N4O5) obtained by the reduction of parabanic acid; -- called also leucoturic acid.
A salt of oxalic acid.
Same as Glyoxal.
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.
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.
See Glyoxaline.
A genus of plants, mostly herbs, with acid-tasting trifoliolate or multifoliolate leaves; -- called also wood sorrel.
A yellow mineral consisting of oxalate of iron.
Same as Oxalan.
A salt of oxaluric acid.
Pertaining to, or designating, a complex nitrogenous acid related to the ureids, and obtained from parabanic acid as a white silky crystalline substance.
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.
A salt of oxamic acid.
Ethyl oxamate, obtained as a white scaly crystalline powder.
Methyl oxamate, obtained as a pearly white crystalline substance.
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.
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.
One of a series of bases containing the amido and the isonitroso groups united to the same carbon atom.
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.
A salt of oxanilic acid.
Pertaining to, or derived from, oxalic acid and aniline; -- used to designate an acid obtained in white crystalline scales by heating these substances together.
A white crystalline substance, resembling oxanilamide, obtained by heating aniline oxalate, and regarded as a double anilide of oxalic acid; -- called also diphenyl oxamide.
A poisonous bulbous plant (Buphane toxicaria) of the Cape of Good Hope.
The dunlin. The sanderling. An African weaver bird (Textor alector).
The cow blackbird.
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.
The oxeye daisy. See under Daisy. The corn camomile (Anthemis arvensis). A genus of composite plants (Buphthalmum) with large yellow flowers.
Having large, full eyes, like those of an ox.
The gadfly of cattle.
Of or pertaining to the city or university of Oxford, England.
See Bovate.
A goad for driving oxen.
Literally, the head of an ox (emblem of cuckoldom); hence, a dolt; a blockhead.
Same as Bear's-foot.
A large heart-shaped cherry, either black, red, or white.
The skin of an ox, or leather made from it.
See Oxide.
Capability of being converted into an oxide.
Capable of being converted into an oxide.
To oxidize.
The act or process of oxidizing, or the state or result of being oxidized.
of or pertaining to oxidation; accompanied by oxidation.
An oxidizer.
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.
Same as oxidize and oxidized.
Capable of being oxidized.
The process of oxidizing; the addition of oxygen to a compound with a loss of electrons. The process always occurs accompanied by reduction.
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.
combined with or having undergone a chemical reaction with oxygen; as, the oxidized form of iodine.
Oxidation.
An agent employed in oxidation, or which facilitates or brings about combination with oxygen; as, nitric acid, chlorine, bromine, etc., are strong oxidizers.
Existing in the state of a protoxide; -- said of an oxide.
One of a series of isonitroso derivatives obtained by the action of hydroxylamine on aldehydes or ketones.
A white crystalline nitrogenous substance (C8H7NO) of the indol group, obtained by the reduction of dioxindol. It is a so-called lactam compound.
Pertaining to, or designating, certain compounds of iodine and oxygen.
Characteristic of, or like, an ox.
The great cowslip (Primula veris, var. elatior).
A salt of oxonic acid.
A student or graduate of Oxford University, in England.
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.
An African bird of the genus Buphaga; the beefeater.
A shoe for oxen, consisting of a flat piece of iron nailed to the hoof.
The armpit; also, the arm.
Hydroxyacetic; designating an acid called also glycolic acid.
Of or pertaining to a mixture of oxygen and actylene; as, an 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.
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-.
Same as Hydroxylamine.
Hydroxy benzene. Same as Phenol.
Hydroxybenzoic; pertaining to, or designating, any one of several hydroxyl derivatives of benzonic acid, of which the commonest is salicylic acid.
Pertaining to, or designating, certain compounds of oxygen and bromine.
Hydroxybutyric; designating any one of a group of metameric acids ((C3H6.OH).CO2H).
Of or pertaining to oxygen and calcium; as, the oxycalcium light. See Drummond light.
See Leucic.
Of, pertaining to, or designating in general, certain compounds containing oxygen and chlorine. Formerly designating an acid now called perchloric acid. See Perchloric.
A ternary compound of oxygen and chlorine; as, plumbic oxychloride.
A Mixture of water and vinegar.
Hydroxy cymene. Same as Carvacrol.
To unite, or cause to combine, with oxygen; to treat with oxygen; to oxidize; as, oxygenated water (hydrogen dioxide).
The act or process of combining or of treating with oxygen; oxidation.
An oxidizer.
Pertaining to, containing, or resembling, oxygen; producing oxygen.
The technical name of oxygen.
Oxidizable.
To oxidize.
Oxidation.
Oxygenic.
A triangle having three acute angles.
Having acute angles.
See Haemacyanin.
See Hemoglobin.
Of, pertaining to, or consisting of, a mixture of oxygen and hydrogen at over 5000/ F.
A mixture of honey, water, vinegar, and spice, boiled to a sirup.
Formic aldehyde, regarded as a methylene derivative.
A figure in which an epithet of a contrary signification is added to a word; e. g., cruel kindness; laborious idleness.
A salt of the supposed oxymuriatic acid; a chloride.
Pertaining to, or consisting of, oxygen and muriatic acid, that is, hydrochloric acid.
See Betaine.
Acid; producing acid; -- applied especially to certain glands and cells in the stomach.
Excessive acuteness of sight.
Pertaining to, or designating, the phenol formerly called oxyphenic acid, and now oxyphenol and pyrocatechin. See Pyrocatechin.
A phenol, C6H4(OH)2, produced by the distillation of catechin; called also oxyphenic acid, and now pyrocatechin.
Acuteness or shrillness of voice.
Hydroxy quinoline; a phenol derivative of quinoline, -- called also carbostyril.
The maioid crabs.
A mixture of two parts of the oil of roses with one of the vinegar of roses.
A salt of an oxyacid, as a sulphate.
A ternary compound of oxygen and sulphur.
An oxysulphide.
Promoting uterine contractions, or parturition. An oxytocic medicine or agent.
One of three hydroxy derivatives of toluene, called the cresols. See Cresol.
An acute sound.
Oxytone.
A hearing or an inspection, as of a deed, bond, etc., as when a defendant in court prays oyer of a writing.
Hear; attend; -- a term used by criers of courts to secure silence before making a proclamation. It is repeated three times.
See Eyelet.
Onion.
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.
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.
A green membranous seaweed (Ulva) often found growing on oysters but common on stones, piles, etc.
Gathering, or dredging for, oysters.