norbornenyls
plural of norbornenyl

norbornylane
norbornane

norcamphane
norbornane

norcantharidin
The bicyclic anhydride 3,6-endoxohexahydrophthalic anhydride that is an anticancer drug.

norcarane
A colourless liquid prepared using the action of diiodomethane and a zinc-copper couple on cyclohexene in diethyl ether.

norcoclaurine
higenamine

norcodeine
An opiate analogue, the N-demethylated derivative of codeine.

nordamnacanthal
A chemical derived from Damnacanthus indicus with IUPAC name 1,3-dihydroxy-9,10-dioxoanthracene-2-carbaldehyde

nordentatin
A pyranocoumarin with chemical formula C₁₉H₂₀O₄.

nordihydrocapsaicin
A capsaicinoid and analogue and congener of capsaicin in chilli peppers.

norditerpene
A norditerpenoid, but especially such a hydrocarbon

norditerpenes
plural of norditerpene

nordoxepin
A chemical compound, C₁₈H₁₉NO.

noreugenin
A chromone with hydroxy groups at position 5 and 7, and a methyl group at position 2, derived from Pisonia aculeata (5,7-dihydroxy-2-methylchromen-4-one)

norfenfluramine
3-trifluoromethylamphetamine, an amphetamine drug which behaves as a serotonin and norepinephrine releasing agent and potent 5-HT2A, 5-HT2B, and 5-HT2C agonist.

norfullerene
Any of various compounds formally derived from a fullerene by the removal of one or more carbon atoms, and the optional addition of several hydrogen atoms

norfullerenes
plural of norfullerene

norharmane
β-carboline (9H-pyrido[3,4-b]indole)

norilludalane
Any derivative of an illudalane that lacks a methylene group

norilludalanes
plural of norilludalane

norketobemidone
A chemical with formal name 1-[4-(3-hydroxyphenyl)piperidin-4-yl]propan-1-one, formed from ketobemidone by removing a methyl group from the nitrogen atom.

norlapachol
The quinone 4-hydroxy-3-(2-methylprop-1-enyl)naphthalene-1,2-dione

norlaudanosoline
The leucomaine 1-[(3,4-dihydroxyphenyl)methyl]-1,2,3,4-tetrahydroisoquinoline-6,7-diol

norlevorphanol
An opioid analgesic of the morphinan class.

norlignan
Any of a group of plant metabolites based on diphenylpentane

norlignans
plural of norlignan

norloline
An alkaloid found in Lolium, related to loline.

normelatonin
Synonym of acetylserotonin.

normeperidine
norpethidine

normethadone
A desmethyl derivative of methadone used as a cough suppressant.

normomagnesaemia
Alternative form of normomagnesemia.

normomagnesemia
The normal level of magnesium ions in the blood.

normouricaemia
Alternative form of normouricemia.

normouricemia
A normal level of uric acid in the blood

nornicotine
An alkaloid, 3-[(2S)-2-pyrrolidinyl]pyridine, formally derived from nicotine by removal of the N-methyl group

nororientaline
A precursor of papaverine.

norpatchoulenol
A tricyclic terpenoid found in commercial patchouli extract in small quantities, and thought to contribute significantly to the aroma of patchouli oil.

norpholedrine
hydroxyamfetamine

norpinyl
Any organic chemical radical or substituent derived from norpinane (bicyclo[3.1.1]heptane) by the removal of a hydrogen atom.

norpipanone
An opioid analgesic related to methadone.

norpregnane
A derivative of pregnane with a shorter sidechain

norpregnanes
plural of norpregnane

norpregnatriene
A norsteroid based on a pregnatriene.

norpregnatrienes
plural of norpregnatriene

norpregnene
A norsteroid based on a pregnene.

norpregnenes
plural of norpregnene

norreticuline
An alkaloid formally derived from reticuline by removing a methyl group from the nitrogen atom

norrin
A protein that in humans is encoded by the NDP gene, mutations in which are associated with Norrie disease.

noscapinoid
Any of a group of synthetic compounds based on noscapine

noscapinoids
plural of noscapinoid

nosehole
A nostril.
A small opening in a furnace, before which a globe of crown glass is held and kept soft at the beginning of the flattening process.

nosethirl
A nostril.

nosethirls
plural of nosethirl

nosocusis
Hearing loss caused by factors other than noise or pure presbycusis, such as drug use or hypertension.

nosode
A homeopathic preparation of diseased matter.

nosodes
plural of nosode

nosophen
An iodine compound obtained as a yellowish-grey powder by the action of iodine on phenolphthalein.

nostocyclopeptide
Any of a group of cyclic peptides produced by cyanobacteria of the genus Nostoc.

nostocyclopeptides
plural of nostocyclopeptide

nostril
Either of the two orifices located on the nose (or on the beak of a bird); used as a passage for air and other gases to travel the nasal passages.

nostrils
plural of nostril

nosyl
Synonym of nitrobenzenesulfonyl.

nosyls
plural of nosyl

notecase
A wallet or billfold (for holding banknotes).

notecases
plural of notecase

notoginsenoside
A ginsenoside from Panax notoginseng

notoginsenosides
plural of notoginsenoside

notophyll
A leaf of size between mesophyll and microphyll, in some classifications.

notophylls
plural of notophyll.

nougatine
Brown nougat, made from caramelized sugar
Dutch dessert, made from two chocolate covered meringue cookies with cream in the middle and cream on top, decorated with crunchy brittle

nougatines
plural of nougatine

novocaine
Alternative letter-case form of Novocaine.

novocaines
plural of novocaine

novolac
Any of several polymers derived from phenols and formaldehyde with low molecular weight and related to Bakelite but less highly cross-linked.

novolack
Alternative form of novolac.

novolacks
plural of novolack

novolacs
plural of novolac

novolak
Alternative spelling of novolac

novolaks
plural of novolak

nritta
The rhythmic element of Indian classical dance.

nritya
Alternative form of nritta.

nuciferine
An alkaloid found in the plants Nymphaea caerulea and Nelumbo nucifera, with sedative effects.

nucleator
A material that nucleates, or that aids nucleation.

nucleators
plural of nucleator

nucleobase
The base of a nucleic acid, such as thymine, uracil, adenine, cytosine and guanine.

nucleobases
plural of nucleobase

nucleocapsid
The core structure of a virus, consisting of nucleic acid surrounded by a coat of protein

nucleocapsids
plural of nucleocapsid

nucleocide
Misspelling of nucleoside.

nucleocomplex
A complex of nucleic acids

nucleocomplexes
plural of nucleocomplex

nucleocosmochronology
A technique for estimating the age of astronomical objects by measuring the relative abundances of isotopes

nucleofection
a technique for the transfection of nucleic acids into cells.

nucleofections
plural of nucleofection

nucleohistone
A complex of histone and nucleic acid

nucleohistones
plural of nucleohistone

nucleophile
A compound or functional group that is attractive to centres of positive charge, and donates electrons, especially donating an electron pair to an electrophile to form a bond.

nucleophiles
plural of nucleophile

nucleophosmin
A protein associated with nucleoli

nucleophosmins
plural of nucleophosmin

nucleophosphoprotein
Any complex of a nucleic acid and a phosphoprotein

nucleophosphoproteins
plural of nucleophosphoprotein

nucleoprotein
Any complex of a nucleic acid and a protein.

nucleoproteins
plural of nucleoprotein

nucleosidation
Reaction with, or conversion to, a nucleoside

nucleosidations
plural of nucleosidation

nucleoside
an organic molecule in which a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine, is covalently attached to a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA). When the phosphate group is covalently attached to the pentose sugar, it forms a nucleotide.

nucleosides
plural of nucleoside

nucleostemin
A protein that regulates the cell cycle and affects cell differentiation.

nucleotide
The monomer constituting DNA or RNA biopolymer molecules. Each nucleotide consists of a nitrogenous heterocyclic base (or nucleobase), which can be either a double-ringed purine or a single-ringed pyrimidine; a five-carbon pentose sugar (deoxyribose in DNA or ribose in RNA); and a phosphate group.