11-letter words starting with ni
- nincompoops — Plural form of nincompoop.
- nine-eleven — the 11th of September 2001, the day on which the twin towers of the World Trade Center in New York were flown into and destroyed by aeroplanes hijacked by Islamic fundamentalists
- nineteenths — Plural form of nineteenth.
- ninety-five — a cardinal number, 90 plus 5.
- ninety-four — a cardinal number, 90 plus 4.
- ninety-nine — a cardinal number, 90 plus 9.
- ningxia hui — an administrative division in N China. 25,640 sq. mi. (66,400 sq. km). Capital: Yinchuan.
- ningxia-hui — autonomous region in NW China, on the border of Inner Mongolia: 65,637 sq mi (169,999 sq km); pop. 4,660,000; cap. Yinchuan
- ninnyhammer — a fool or simpleton; ninny.
- ninth chord — a chord formed by the superposition of four thirds.
- ninth grade — the ninth year of school, usually the first year of high school
- ninth of av — Tishah b'Av.
- niobic acid — a white, water-insoluble solid, Nb 2 O 5 ⋅nH 2 O.
- nippleworts — Plural form of nipplewort.
- nishinomiya — a city on S Honshu, in S Japan.
- nit-picking — to be excessively concerned with or critical of inconsequential details.
- nitraniline — (chemistry) Any of a series of nitro derivatives of aniline.
- nitric acid — a colorless or yellowish, fuming, suffocating, caustic, corrosive, water-soluble liquid, HNO 3 , having powerful oxidizing properties, usually obtained from ammonia or from Chile saltpeter: used chiefly in the manufacture of explosives and fertilizers and in organic synthesis.
- nitro group — the univalent group –NO 2 .
- nitro-chalk — a chemical fertilizer containing calcium carbonate and ammonium nitrate
- nitrobenzol — Nitrobenzene.
- nitrobenzyl — (organic chemistry, especially in combination) Any of three isomeric univalent radicals derived from nitrobenzene.
- nitrocotton — cellulose nitrate.
- nitroethane — (organic compound) The aliphatic nitro compound CH3-CH2-NO2 that is used as a specialist solvent, and as a fuel additive.
- nitrogenase — an enzyme complex that catalyzes the reduction of molecular nitrogen in the nitrogen-fixation process of bacteria.
- nitrogenate — (transitive) to treat something with nitrogen gas, especially with the intent of replacing gaseous oxygen.
- nitrogenise — Alternative spelling of nitrogenize.
- nitrogenize — to combine with nitrogen or add nitrogenous material to.
- nitrogenous — containing nitrogen.
- nitromersol — a brownish-yellow or yellow, granular, water-insoluble powder, C 7 H 5 HgNO 3 : used in alkaline solution chiefly as an antiseptic.
- nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- nitrosamine — any of a series of compounds with the type formula R 2 NNO, some of which are carcinogenic, formed in cured meats by the conversion of nitrite.
- nitrosation — a chemical reaction in which organic compounds are converted into nitroso compounds
- nitrosourea — any of various lipid-soluble, synthetic or naturally occurring alkylating agents that can cross the blood-brain barrier: used in the treatment of certain brain cancers.
- nitrostarch — an orange powder, C 1 2 H 1 2 N 8 O 2 6 , soluble in ethanol, used in explosives.
- nizhnekamsk — a city in the E Russian Federation in Europe, SE of Kazan.