English Words: N
24,391 words · Page 432 of 488
A neurotransmitter found in the locus coeruleus which is synthesized from dopamine.
A synthetic steroid hormone, 19-nor-17α-ethynyltestosterone (C₂₀H₂₆O₂), which has actions similar to those of progesterone and is used chiefly for contraception.
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)
3-trifluoromethylamphetamine, an amphetamine drug which behaves as a serotonin and norepinephrine releasing agent and potent 5-HT2A, 5-HT2B, and 5-HT2C agonist.
A synthetic fluoroquinolone antibiotic structurally related to nalidixic acid, which is used topically to treat conjunctivitis and orally for the treatment of bacterial infections of the urinary tract; 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl)-3-quinolinecarboxylic acid, C₁₆H₁₈FN₃O₃.
A maritime county of eastern England bordered by Cambridgeshire, Lincolnshire, Suffolk, and the North Sea.
One of 14 counties in Massachusetts, United States. County seat: Dedham. There are two exclaves of the county, Cohasset and Brookline.
An external territory consisting of three islands of Australia in the Pacific Ocean, the main island of which is also named Norfolk Island.
Araucaria heterophylla (synonym Araucaria excelsa), a conifer endemic to Norfolk Island, but grown as an ornamental tree in mild climates and as a container plant indoors worldwide.
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
A synthetic progestogen C₂₃H₃₁NO₃ (trademark Ortho Tri-Cyclen) that is used in combination with an estrogen (as ethinylestradiol) in birth control pills.
A synthetic progestogen C₂₁H₂₈O₂ having two optically active forms of which the biologically active levorotatory form is used in birth control pills.
A type of seaweed, a red alga, laver (genus Pyropia, including species P. yezoensis and P. tenera).
The principal metabolite of ibogaine; psychoactive, and thought to be involved in the antiaddictive effects of ibogaine.
A surname from Spanish, most associated with Panaman president and dictator Manuel Noriega.
Any compound formally derived from an isoprenoid by loss of a methylene group; many of them are congeners in wine
A granular crystalline rock consisting essentially of a triclinic feldspar (such as labradorite) and hypersthene.
Spelling & Dictionary Insight
The English alphabetical index for the letter N contains 24,391 headwords drawn from our Wiktionary-derived dictionary table. At 50 entries per page the browse splits into 488 pages, and you are currently viewing page 432. Every row above is a dictionary-backed entry with a canonical slug, and each links through to a full definition page with pronunciation, senses, etymology, and related-word data where available.
On this page 50 of 50 entries carry a part-of-speech tag and 50 carry at least one stored definition. Coverage varies across letters because Wiktionary volunteers build entries at different speeds for different parts of the alphabet, letters with common starting sounds (S, C, T, P) usually have the densest coverage, while less frequent starters (X, Q, Z) tend to have shorter but more specialised lists. PlainSpell surfaces whatever data is present and links back to the source when a definition is not yet recorded.
For readers using this index as a spelling reference, the guarantee is that every form you see on the list is a documented English headword, not a guess, not a derived inflection lacking a lemma row. If a word you expected to find is absent from the "N" list, it usually means the form exists only as an inflection of another lemma (e.g. a past participle stored under the infinitive) or the entry has not yet been imported from Wiktionary. Use the search bar or the misspelling lookup to resolve these cases.