haloalkoxy
Any halogenated alkoxy group

haloalkoxys
plural of haloalkoxy

haloamine
Any N-halogen-substituted amine

haloamines
plural of haloamine

haloaromatic
Any halogen derivative of an aromatic compound, especially an aromatic halide

haloaromatics
plural of haloaromatic

halobenzene
Any halogenated derivative of benzene.

halobenzenes
plural of halobenzene

halocarbon
any compound formally derived from a hydrocarbon by replacing at least one hydrogen atom with a halogen, but especially by replacing all hydrogen atoms with halogen(s)

halocarbons
plural of halocarbon

halochalcogenate
A salt or ester of a variant of a chalcogenate, where one oxygen atom is replaced by a halogen.

halochalcogenates
plural of halochalcogenate

halocinonide
A topical corticosteroid.

haloenolate
Any halogenated enolate.

haloenolates
plural of haloenolate

haloenones
plural of haloenone

halofenazide
Misspelling of halofenozide.

halofenozide
A diacylhydrazine insecticide.

haloform
Any trihalomethane with all halogens the same, CHX₃.

halogenide
Synonym of halide.

halogenides
plural of halogenide

halogenohydrocarbon
A hydrocarbon molecule with a halogen atom attached.

halohydrin
Any of a class of organic compound having a hydroxyl functional group and a halogen on neighbouring carbon atoms.

halohydrins
plural of halohydrin

halohydrocarbon
Synonym of halocarbon.

halohydrocarbons
plural of halohydrocarbon

haloketone
Any halogenated ketone

haloketones
plural of haloketone

halomethane
Any compound consisting of a methane molecule with one or more of the hydrogen atoms replaced by halogen atoms.

halomethanes
plural of halomethane

halomethylketone
Any ketone that has at least one halomethyl group

halomethylketones
plural of halomethylketone

halon
A hydrocarbon (more precisely, a haloalkane) in which one or more hydrogen atoms have been replaced by halogens.

halonitrile
Any compound that has both halide and nitrile groups.

halonitriles
plural of halonitrile

halonium
Any cation of the form R₂X⁺, in which X is a positively-charged halogen

haloniums
plural of halonium

halons
plural of halon

haloperoxidase
Any of a class of enzymes that oxidize organic halogen compounds; they are hemoproteins or similar

haloperoxidases
plural of haloperoxidase

halophenol
Any halogen derivative of a phenol

halophenols
plural of halophenol

haloquinoline
Any halogenated derivative of a quinoline

haloquinolines
plural of haloquinoline

halosaline
A piperidine alkaloid isolated from saxauls of the genus Haloxylon.

halosugar
Any compound in which one or more hydroxyl groups of a sugar have been replaced by atoms of halide

halosugars
plural of halosugar

halosulfite
Any anion of general formula SO₂X⁻ or any salt containing such an anion

halosulfites
plural of halosulfite

halosulfuron
The herbicide methyl 3-chloro-5-(4,6-dimethoxy-2-pyrimidinylcarbamoylsulfamoyl)-1-methylpyrazole-4-carboxylate

haloxyfop
A particular herbicide.

haloxyline
An explosive compound of sawdust, charcoal, niter, and potassium ferrocyanide, formerly used as a substitute for gunpowder.

hamatoxylin
Misspelling of hematoxylin.

hancoside
A particular steroid glycoside.

hangover
Negative effects, such as headache or nausea, caused by previous drunkenness due to (excessive) consumption of alcohol.
Similar negative effects caused by previous excessive consumption of another substance, such as a drug, coffee, sugar, etc.
An unpleasant relic left from prior events.
A sleeping arrangement, usually in homeless shelters, over a rope.

hangovers
plural of hangover

hapaioside
A particular steroid glycoside.

harpagoside
An iridoid glycoside present in the medicinal plant Harpagophytum procumbens

harringtonine
Any of a class of alkaloids that inhibit protein synthesis, obtained from conifers of the genus Cephalotaxus.

harringtonines
plural of harringtonine

hastatoside
An iridoid glucoside obtained from verbena.

hasubanan
Any of a class of alkaloids resembling morphinan.

hasubanans
plural of hasubanan

hasubanonine
A hasubanan alkaloid with possible applications as a painkiller.

havanensin
A tetranortriterpene found in Trichilia havanensis

heamatoxilin
Misspelling of haematoxylin.

heamatoxylin
Misspelling of haematoxylin.

heavyonium
Any meson formed from a heavy quark and its antiquark.

hecatolite
moonstone

hectane
Any of very many isomeric forms of the saturated aliphatic hydrocarbon C₁₀₀H₂₀₂

hectanes
plural of hectane

hederate
Any salt of hederic acid, an organic compound first extracted from ivy seeds, now called hederagenin.

hederates
plural of hederate

hedonium
Matter arranged in a way that produces pleasure or happiness as efficiently as possible, as might be encouraged by philosophical hedonism.

helborside
A particular steroid glycoside.

helianthin
methyl orange

helianthoside
A particular steroid glycoside.

helichrysin
A yellow pigment in several species of Helichrysum.

helicin
A glucoside obtained by partial oxidation of salicin from willows of species Salix purpurea (syn. Salix helix).

helide
A binary compound of helium and another element.

helides
plural of helide

helional
The aromatic aldehyde 3-(1,3-benzodioxol-5-yl)-2-methylpropanal that is used commercially as a fragrance

helionium
Any atomic system containing a helium nucleus and an antihelium nucleus.

heliotrine
The alkaloid [(7S,8R)-7-hydroxy-5,6,7,8-tetrahydro-3H-pyrrolizin-1-yl]methyl (2S)-2-hydroxy-2-[(1R)-1-methoxyethyl]-3-methylbutanoate present in the heliotrope Heliotropium europaeum

heliotropyl
Synonym of piperonyl.

heliumide
Synonym of helide.

heliumides
plural of heliumide

helleborein
Alternative form of helleborin.

helleborin
hellebrin

hellebortin
A particular steroid glycoside.

hellebosaponin
A particular steroid glycoside.

hellebrigenin
A particular steroid glycoside.

hellebrigenol
A particular steroid glycoside.

hellebrin
A particular steroid glycoside derived from certain hellebores.

helojaposide
A particular steroid glycoside.

helveticoside
A particular steroid glycoside.

helveticosol
A particular steroid glycoside.

hemanthamine
Alternative form of haemanthamine.

hemanthamines
plural of hemanthamine

hemanthidine
Alternative form of haemanthidine.

hemaphaein
Alternative form of haemaphaein.

hemaroxylin
Misspelling of hematoxylin.

hematinon
A red pigment consisting of silica, borax, and soda, fused with copper oxide and used in enamels, mosaics, etc.

hematoidin
bilirubin

hematoxilin
Misspelling of hematoxylin.

hematoxylene
Alternative form of hematoxylin.

hematoxylin
A phenolic compound having the chemical formula C₁₆H₁₄O₆, used (most often in conjunction with eosin) to make dye for staining tissue samples; extracted from the heart of bloodwood trees (Haematoxylum campechianum).

hematoxyline
Alternative form of hematoxylin.

hematoxylins
plural of hematoxylin

hemellitol
Synonym of hemimellitene.

hemeroside
A particular steroid glycoside.

hemerythrin
A respiratory pigment found in sipunculids, priapulids and brachiopods.

hemerythrins
plural of hemerythrin

hemiacetal
Any of a class of compounds of general formula R₁R₂C(OH)OR' (where R' is not H and R₁ or R₂ is often hydrogen).

hemiacetals
plural of hemiacetal

hemiaminal
Any organic compound having both an amino and a hydroxy functional group attached to the same carbon atom; they are synthesized by reacting ammonia or an amine with an aldehyde or ketone.

hemiaminals
plural of hemiaminal

hemidescine
A particular steroid glycoside.

hemidine
A particular steroid glycoside.

hemifumarate
Any salt that has one fumarate anion for each two organic cations

hemifumarates
plural of hemifumarate

hemigossypol
The sesquiterpene phenolic aldehyde 2,3,8-trihydroxy-6-methyl-4-propan-2-ylnaphthalene-1-carbaldehyde

hemigossypolone
The quinone aldehyde 2,3-dihydroxy-6-methyl-5,8-dioxo-4-propan-2-ylnaphthalene-1-carbaldehyde present in the cotton plant

hemihydrochloride
Any compound that has one HCl group for each two amine groups