Nitrogen in chemistry
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AZOTENitrogen, in chemistry
nitrogenousContaining nitrogen in chemical combination
BRITTLELike objects dipped in liquid nitrogen
ureoteliceliminating unneeded nitrogen in the form of urea
piperazinea crystalline nitrogen compound used in medicine, insecticides etc
piperazinesPIPERAZINE, a crystalline nitrogen compound used in medicine, insecticides etc
nitrogenasean enzyme complex that catalyses nitrogen in the nitrogen fixation process
nitrogenasesNITROGENASE, an enzyme complex that catalyses nitrogen in the nitrogen fixation process
azotaemicrelating to azotaemia, an excess of nitrogen in the blood also AZOTEMIC
ureotelismthe state of being ureotelic, excreting nitrogen in the form of urea
hyponitrouscontaining or derived from nitrogen having a lower valence than in nitrous compounds
ureotelismsUREOTELISM, the state of being ureotelic, excreting nitrogen in the form of urea
allantoinA crystalline compound formed in the nitrogen metabolism of many mammals (excluding primates)
allantoina crystalline base formed in the nitrogen metabolism of many mammals (excluding primates)
rhizobialrelating to a rhizobium, a bacterium important in nitrogen fixation in leguminous plants
allantoinsALLANTOIN, a crystalline base formed in the nitrogen metabolism of many mammals (excluding primates)
nitrophilousof plants, growing in a place where there is a good supply of nitrogen
bunblood urea nitrogen: the concentration of nitrogen in the blood in the form of urea, indicating kidney function
rhizobiumA nitrogen-fixing bacterium that is common in the soil, esp. in the root nodules of leguminous plants
diazoleany of a group of organic compounds containing three carbon atoms and two nitrogen atoms arranged in a ring
diazolesany of a group of organic compounds containing three carbon atoms and two nitrogen atoms arranged in a ring
pyrazoleany of the group of heterocyclic compounds containing three carbon atoms, two adjacent nitrogen atoms, and two double bonds in the ring
rhizobiaany of several rod-shaped bacteria of the genus Rhizobium, found as symbiotic nitrogen fixers in nodules on the roots of the bean, clover, etc.
triazoleany of a group of four compounds containing three nitrogen and two carbon atoms arranged in a five-membered ring and having the formula C2H3N3
triazineany of a group of three compounds containing three nitrogen and three carbon atoms arranged in a six-membered ring and having the formula C3H3N3
thiazinesAny of a class of molecules containing a ring of one nitrogen, one sulfur, and four carbon atoms, used in dyes and more recently in sedatives
glyoxalineany of a group of heterocyclic compounds produced by substitution in a five-membered ring containing two nitrogen atoms on either side of a carbon atom
diazorelating to or containing the group N2 composed of two nitrogen atoms united to a single carbon atom of an organic radical often used in combination
glyoxalinesGLYOXALINE, any of a group of heterocyclic compounds produced by substitution in a five-membered ring containing two nitrogen atoms on either side of a carbon atom
triazolesAny compound whose molecule contains a ring of three nitrogen and two carbon atoms, in particular each of five isomeric compounds containing such a ring with two double bonds
alkaloidsany of numerous usually colorless, complex, and bitter organic bases (as morphine or caffeine) containing nitrogen and usually oxygen that occur especially in seed plants and are typically physiologically active
azolesany of a group of five-membered heterocyclic compounds containing one or more nitrogen atoms in the ring, the number of nitrogen atoms present being indicated by a prefix, as in diazole
azoleany of a group of five-membered heterocyclic compounds containing one or more nitrogen atoms in the ring, the number of nitrogen atoms present being indicated by a prefix, as in diazole
azineany of a group of six-membered heterocyclic compounds containing one or more nitrogen atoms in the ring, the number of nitrogen atoms present being indicated by a prefix, as in diazine or triazine
azinesany of a group of six-membered heterocyclic compounds containing one or more nitrogen atoms in the ring, the number of nitrogen atoms present being indicated by a prefix, as in diazine or triazine
titaniumdark-gray or silvery, lustrous, very hard, light, corrosion-resistant, metallic element, occurring combined in various minerals: used in metallurgy to remove oxygen and nitrogen from steel and to toughen it. Symbol: Ti; at. wt.: 47.90; at
pyrrolica toxic liquid heterocyclic compound C4H5N that has a ring consisting of four carbon atoms and one nitrogen atom, polymerizes readily in air, and is the parent compound of many biologically important substances (as bile pigments, porphyrins, and chlorophyll)