n
(organic chemistry) The ester of amyl alcohol (pentanol) and nitric acid, C₅H₁₁NO₃, used to control angina and as an antidote to cyanide poisoning.
n
(organic chemistry) Any organic compound derived from an oxoacid by replacement of a hydroxyl group by an aniline residue; an amide of aniline.
n
(organic chemistry) any aryl derivative of an allene
n
(organic chemistry) Any aryl derivative of a benzoxazole
n
Initialism of aluminum-doped zinc oxide.
n
(chemistry, uncountable) Abbreviation of bromobenzyl cyanide. [A lachrymatory agent introduced in World War I.]
n
Abbreviation of benzyldimethylhexadecylammonium chloride.
adj
(organic chemistry) Related to, or derived from a benzimidazole
n
(organic chemistry) A bicyclic heterocycle composed of fused benzene and dihydrofuran rings
n
(organic chemistry) Any benzo derivative of a fulvene
n
(organic chemistry) Any of a class of bicyclic heterocycles consisting of a benzene ring fused with one of furan.
n
Alternative form of benzofuran [(organic chemistry) Any of a class of bicyclic heterocycles consisting of a benzene ring fused with one of furan.]
n
(organic chemistry) Any polycyclic heterocycle consisting of a benzene ring fused to that of another heterocycle
n
(organic chemistry) Obsolete spelling of benzol [(organic chemistry) An impure benzene (mixed with toluene etc), used in the arts as a solvent, and for various other purposes.]
n
(organic chemistry) The aromatic nitrile C₆H₅-CN; it is used as a solvent and has many industrial applications
n
(organic chemistry, uncountable) The compound diphenylmethanone.
n
(organic chemistry) The chlorinated derivative of toluene C₆H₅-CH₂Cl
n
(organic chemistry) Any derivative of benzene formally produced by abstraction of two hydrogen atoms, especially one produced by abstraction from neighbouring atoms to produce a formal triple bond.
n
(organic chemistry) Any of several tetracyclic heterocycles consisting of two indole moieties linked by a single bond
n
(organic chemistry) Any bromo derivative of acetophenone
n
(organic chemistry, especially in plural) Any bromo derivative of a benzyl radical
n
(organic chemistry) Any brominated derivative of an indole
n
Any brominated derivative of a lactone
n
Initialism of benzene, toluene, ethylbenzene, and ortho-, meta-, and para- xylenes: toxic VOCs commonly found together, used in the chemical analysis of air and water to determine their quality and purity. [(organic chemistry) An aromatic hydrocarbon of formula C₆H₆ whose structure consists of a ring of alternate single and double bonds.]
n
(organic chemistry) An imine derived from camphor
n
(organic chemistry) An organic compound with the chemical formula C₆H₂Cl₂O₄.
adj
(organic chemistry) Describing a chloro derivative of a benzoic group
n
(organic chemistry) Any chlorinated derivative of biphenyl
n
(organic chemistry) Any chloro derivative of a nitrobenzene
n
Alternative form of chlorophenol [(organic chemistry) Any of several chlorinated derivatives of phenol, some of which are used as antiseptics or disinfectants]
n
(organic chemistry) Synonym of coniferyl aldehyde
n
An industrial process for synthesizing phenol and acetone from benzene and propylene.
n
(organic chemistry, especially in combination) Any cyano derivative of a benzyl radical
n
1,4,7,10-tetraazacyclododecane, a macrocycle and the aza analogue of the crown ether 12-crown-4.
n
(chemistry) A derivative of retinal with the molecular formula C₂₀H₂₆O.
n
(organic chemistry) Any of several isomeric tricyclic aromatic heterocycles derived from anthracene by replacement of two CH groups by nitrogen atoms
n
(organic chemistry) The caged tertiary diamine 1,4-diazabicyclo[2.2.2]octane
n
(organic chemistry) Any of several isomeric tricyclic aromatic heterocycles derived from fluorene by replacement of two CH groups by nitrogen atoms
n
(organic chemistry) Any bicyclic heterocycle formally derived from naphthalene by replacing two carbon atoms with those of nitrogen
n
(organic chemistry, countable) Any azo compound derived from this simple compound
n
(organic chemistry) Any univalent radical of the form R-N=N-
n
(organic chemistry) A saturated seven-membered heterocycle containing five carbon atoms and two nitrogen atoms
n
(organic chemistry) Any ketone derived from diazepane by replacing a ring methylene group by a carbonyl
n
(organic chemistry) A saturated, three-membered heterocycle containing one carbon atom and two nitrogen atoms
n
(organic chemistry) The unsaturated heterocycle consisting of a three-membered ring containing one carbon atom and two nitrogen atoms connected by a double bond; it is isomeric with diazomethane
n
(chemistry) any compound of general formula R₂C=N⁺=N⁻
n
(organic chemistry) Any diazo derivative of an ester, especially one in which the two groups are adjacent
n
(organic chemistry) Any diazo derivative of a ketoester
n
(organic chemistry) pyrazolidine
n
(organic chemistry) pyrazolidine
n
(organic chemistry) Any diazo derivative of a malonate group or ion
n
(organic chemistry) Any dibenzo derivative of cyclooctyne
n
(organic chemistry) Any of many derivatives of this chemical compound.
n
(organic chemistry) The tricyclic heterocycle in which two benzene rings are fused to that of thiophene; any of its derivatives, especially those that occur in crude oil
n
(organic chemistry) Any compound that contains two besylate groups
n
(organic chemistry) Any dibromo derivative of cinnoline
n
(organic chemistry) A reduced chlorinated derivative of fluorescein whose acetate is used as an indicator of peroxynitrite formation, it being oxidized to the fluorescent dichlorofluorescein
n
(organic chemistry) The nitrosamine (CH₃-CH₂)₂N-N=O, which is both carcinogenic and mutagenic.
n
(organic chemistry) Any diethyl derivative of thioxanthone
n
(organic chemistry, especially in combination) Any difluoro derivative of a phenyl radical
n
(organic chemistry) Any dihydro derivative of ergoline
n
(organic chemistry, especially in combination) Any dihydro derivative of a pyrazolo group; a radical derived from a dihydropyrazole
n
(organic chemistry, especially in combination) Any dimethoxy derivative of a phenyl radical
n
(organic chemistry) Any of four isomers of the heterocyclic compound formed by substituting two methyl groups for hydrogen in furan; but especially 2,5-dimethylfuran obtained by catalytic reduction of fructose from biomass for use as a biofuel
n
(organic chemistry) Any dimethyl derivative of a hexyl radical
n
Alternative spelling of dimethylimidazole [(organic chemistry, uncountable) A solvent used in a variety of applications including detergents and electronic materials, having the chemical formula C₅H₁₀N₂O]
n
(organic chemistry) Any dinitro derivative of a halobenzene
n
(organic chemistry) Any of six isomeric aromatic azines, but especially 2,4-dinitrophenylhydrazine that is used as a reagent in the analysis of aldehydes and ketones
n
(uncountable, specifically, loosely) The compound 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD; molecular formula C₁₂H₄Cl₄O₂), a persistent organic pollutant of the environment which is generally produced as a byproduct of organic synthesis or when organic materials are burned.
n
(organic chemistry) A bicyclic heterocycle consisting of two fused oxole rings
n
(organic chemistry) Any of several isomeric diketones derived from piperazine
n
(organic chemistry) The aromatic ether (C₆H₅)₂O
n
(organic chemistry, in combination) A functional group containing two phenyl group attached to an acetyl group.
n
A toxic organoarsenic compound with chemical formula (C₆H₅)₂AsCl.
n
(organic chemistry) An organic compound used in the synthesis of tetraphenylethylene.
n
(organic chemistry) Any diphenyl derivative of hydrazine, but especially 1,2-diphenylhydrazine
n
(organic chemistry, especially in combination) The diphenyl derivative of a methyl radical ((C₆H₅)₂CH-)
n
(organic chemistry) The highly chlorinated ester trichloromethyl chloroformate that is used in organic synthesis, and was once used as a military poison
n
(organic chemistry) A bicyclic heterocycle consisting of two fused thiepine rings.
n
A highly toxic organoarsenic compound with the chemical formula CH₃CH₂AsCl₂, historically used in chemical warfare.
n
(organic chemistry) An aromatic compound with the chemical formula C₁₃H₈O, produced from fluorene via oxidation and used in the manufacture of antimalaria drugs.
n
(organic chemistry) The fluoro derivative of benzamide N-(diaminophosphinyl)-4-fluorobenzenamide
n
(organic chemistry) A heterocyclic ring, especially in a compound that also contains one or more benzene ring
n
(organic chemistry) Any hexabromo drivative of cyclododecane, but especially 1,2,5,6,9,10-hexabromocyclododecane that is used as a flame retardant.
n
Alternative form of hexachloroethane [(organic chemistry) The fully chlorinated derivative of ethane CCl₃-CCl₃ that is used as an oxidizing agent, and in munitions]
n
(organic chemistry) A polychlorinated hydrocarbon, C₆Cl₆, used as a fungicide in the treatment of bunt
n
(organic chemistry) The helicene having six benzene rings fused into a flat spiral
n
(organic chemistry) Any heterofullerene in which one or more carbon atoms are replaced by a heteroatom attached to a hydrogen atom
n
(organic chemistry) A five-membered heterocycle containing three carbon atoms, two non-adjacent nitrogen atoms and one double bond
n
(organic chemistry) A cyclic ketone derived from imidazole
n
(organic chemistry, especially in combination) A divalent radical derived from the cyclopentane ring of an indane
n
(organic chemistry) indigo white
n
(organic chemistry) Any iodo derivative of a benzoate
n
(organic chemistry) Any of a class of organic nitrogen compounds, related to carbenes, whose structure can be represented as R₂NN: <=> R₂N⁺=N⁻.
n
(organic chemistry) The isomer of valeraldehyde 3-methylbutyraldehyde
n
(organic chemistry, in combination) a ketimide ligand.
n
(obsolete, organic chemistry) acetylene
n
(organic chemistry) The aminothiol NH₂-CH₂-CH₂-SH normally formed by the degradation of cysteine
n
(organic chemistry) Any methyl derivative of benzidine, especially 3-methylbenzidine:- (4-(4-aminophenyl)-2-methylaniline)
n
(organic chemistry, especially in combination) Any methyl derivative of a benzyl radical
n
(organic chemistry) Any methyl derivative of boroxine
n
(organic chemistry) A polycyclic heterocycle composed of naphthalene fused to an imidazole ring
n
(organic chemistry) Any nitro derivative of a hydrocarbon, especially of an aliphatic hydrocarbon
n
(organic chemistry) Any nitro derivative of a heterocycle
adj
Describing a chlorinated organic compound, especially such a pesticide or other pollutant.
n
(chemistry) any 1,2,3-triazole formed by oxidation of an osazone
n
(organic chemistry) A seven-membered unsaturated heterocycle containing five carbon atoms, one nitrogen and one oxygen atom, and three double bonds; any derivative of this compound
n
(organic chemistry) A five-membered heterocycle having three carbon atoms, one oxygen atom, one nitrogen atom and two double bonds; the 1,3- isomer is aromatic
n
(medicine) The antiviral compound 1,2,3,4-tetrahydrotetraoxonaphthalene
n
(chemistry) An inert isomeric modification of anthracene.
n
(organic chemistry) hexachlorobenzene
n
(organic chemistry) The fully chlorinated derivative of benzoic acid; pentachlorobenzoic acid.
n
(organic chemistry) Any compound that is both a phenol and an ether
n
Any thermosetting resin manufactured from phenols and aldehydes.
n
(chemistry) Any of three isomeric divalent aromatic radicals derived from benzene by removing two hydrogen atoms from the ortho-, meta- or para- positions.
n
(organic chemistry, in combination) Any phenyl derivative of a hexyl group
n
(organic chemistry) The phenyl derivative of hydrazine C₆H₅-NH-NH₂; it is used in the synthesis of indoles, and in the analysis of sugars etc.
n
(organic chemistry) Any of three isomeric phenyl derivative of thiazole
n
(chemistry) A phenol that is metameric with xylenol, obtained by distillation of certain salts of phloretic acid.
n
(organic chemistry, countable) Any derivative of this compound
n
(organic chemistry) A heterocyclic amide derived from pyrazine
n
(organic chemistry) Any heterocyclic ketone derived from pyrrolidine, but especially any 2-pyrrolidinone (a form of cyclic amide)
n
(organic chemistry) Any of several isomeric tetracyclic heterocycles composed of a pyrrole ring fused to a carbazole moiety
n
(organic chemistry) Synonym of coronene
n
(uncountable, organic chemistry) A tricyclic heterocycle consisting of three linked pyridine rings; it is a tridentate ligand
n
(organic chemistry) A highly toxic polychlorinated dibenzo-p-dioxin with chemical formula C₁₂H₄Cl₄O₂.
n
A chlorocarbon with the formula C₂Cl₄, often used in dry cleaning
n
(organic chemistry) An oligophenyl having four benzene rings
n
(organic chemistry) A six-membered heterocycle containing four carbon atoms, one nitrogen and one sulfur atom, and two double bonds.
n
(organic chemistry, in combination) A thiazole ring fused to a ring of another compound. (Square brackets with numbers will indicate the orientations of the rings)
n
(organic chemistry) Any heterocycle composed of fused thiazole and triazole rings
n
(organic chemistry) The heterocyclic compound 2-thioxodihydropyrimidine-4,6(1H,5H)-dione that is used in biochemical assay
n
(organic chemistry) Any of a class of organic nitrogen compounds derived from the parent compound HN=N-CS-NH-NH₂
n
(organic chemistry) Synonym of thiosemicarbazone
n
(organic chemistry) The univalent radical derived from threonine.
n
(organic chemistry) Any triamino derivative of a triazole, but especially 3,4,5-triamino-1,2,4-triazole (guanazine)
n
(organic chemistry) A seven-membered unsaturated heterocycle having three nitrogen atoms and three double bonds; any derivative of this compound
n
(organic chemistry) The six-membered aromatic heterocycle containing three carbon atoms and three nitrogen atoms; any derivative of this compound
n
(organic chemistry) Either of two isomeric heterocyclic compounds having a five-membered ring with three nitrogen atoms and two double bonds in the ring; any organic derivative of these compounds.
n
(organic chemistry) Any compound having a triazole as a substituent
n
(organic chemistry, especially in combination) A triazole moiety as a substituent
n
(organic chemistry) Any heterocycle containing a piperazine ring fused with one of triazole; any drug based on such a structure
n
(organic chemistry) Any of several isomeric trimethoxy derivatives of acetophenone
n
(organic chemistry) A five-membered, saturated heterocycle, containing two carbon atoms and three oxygen atoms; any derivative of this compound
n
(organic chemistry) A polycyclic aromatic hydrocarbon composed of two fused phenalene moieties.
Note: Concept clusters like the one above are an experimental OneLook
feature. We've grouped words and phrases into thousands of clusters
based on a statistical analysis of how they are used in writing. Some
of the words and concepts may be vulgar or offensive. The names of the
clusters were written automatically and may not precisely describe
every word within the cluster; furthermore, the clusters may be
missing some entries that you'd normally associate with their
names. Click on a word to look it up on OneLook.
Our daily word games Threepeat and Compound Your Joy are going strong. Bookmark and enjoy!
Today's secret word is 7 letters and means "No longer existing; died out." Can you find it?