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Thienone :: Thienone (n.) A ketone derivative of thiophene obtained as a white crystalline substance, (C4H3S)2.CO, by the action of aluminium chloride and carbonyl chloride on thiophene..

Dipropargyl :: Dipropargyl (n.) A pungent, mobile, volatile liquid, C6H6, produced artificially from certain allyl derivatives. Though isomeric with benzine, it is very different in its chemical relations. Called also dipropinyl..

Ae :: Ae () A diphthong in the Latin language; used also by the Saxon writers. It answers to the Gr. ai. The Anglo-Saxon short ae was generally replaced by a, the long / by e or ee. In derivatives from Latin words with ae, it is mostly superseded by e. For most words found with this initial combination, the reader will therefore search under the letter E..

Tetramethylene :: Tetramethylene (n.) A hypothetical hydrocarbon, C4H8, analogous to trimethylene, and regarded as the base of well-known series or derivatives..

Tetrazo- :: Tetrazo- (a.) A combining form (also used adjectively), designating any one of a series of double derivatives of the azo and diazo compounds containing four atoms of nitrogen..

Phosphonic :: Phosphonic (a.) Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical, and analogous to the sulphonic acid..

Valeryl :: Valeryl (n.) The hypothetical radical C5H9O, regarded as the essential nucleus of certain valeric acid derivatives..

Violuric :: Violuric (a.) Of, pertaining to, or designating, a complex nitroso derivative of barbituric acid. It is obtained as a white or yellow crystalline substance, and forms characteristic yellow, blue, and violet salts..

Phenyl :: Phenyl (n.) A hydrocarbon radical (C6H5) regarded as the essential residue of benzene, and the basis of an immense number of aromatic derivatives..

Conine :: Conine (n.) A powerful and very poisonous vegetable alkaloid found in the hemlock (Conium maculatum) and extracted as a colorless oil, C8H17N, of strong repulsive odor and acrid taste. It is regarded as a derivative of piperidine and likewise of one of the collidines. It occasions a gradual paralysis of the motor nerves. Called also coniine, coneine, conia, etc. See Conium, 2..

Naphthylamine :: Naphthylamine (n.) One of two basic amido derivatives of naphthalene, C10H7.NH2, forming crystalline solids..

Tyrosin :: Tyrosin (n.) A white crystalline nitrogenous substance present in small amount in the pancreas and spleen, and formed in large quantity from the decomposition of proteid matter by various means, -- as by pancreatic digestion, by putrefaction as of cheese, by the action of boiling acids, etc. Chemically, it consists of oxyphenol and amidopropionic acid, and by decomposition yields oxybenzoic acid, or some other benzol derivative..

Diazotize :: Diazotize (v. t.) To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution..

Derivative :: Derivative (a.) Obtained by derivation; derived; not radical, original, or fundamental; originating, deduced, or formed from something else; secondary; as, a derivative conveyance; a derivative word..

Xylenol :: Xylenol (n.) Any one of six metameric phenol derivatives of xylene, obtained as crystalline substances, (CH3)2.C6H3.OH..

Mes- :: Mes- () denoting a type of hydrocarbons which are regarded as methenyl derivatives. Also used adjectively.

Indazol :: Indazol (n.) A nitrogenous compound, C7H6N2, analogous to indol, and produced from a diazo derivative or cinnamic acid..

Oxalyl :: Oxalyl (n.) A hydrocarbon radical (C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it.

Behove :: Behove (v.) and derivatives. See Behoove, &c..

Phloramine :: Phloramine (n.) A basic amido derivative of phloroglucin, having an astringent taste..

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