11-letter words containing tr
- 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.
- non-neutral — not taking part or giving assistance in a dispute or war between others: a neutral nation during World War II.
- non-striker — a person or thing that strikes.
- non-treated — to act or behave toward (a person) in some specified way: to treat someone with respect.
- nonabstract — Not abstract.
- noncontract — Not of, pertaining to, or operating under a contract.
- nonelectric — Not electric; not operated by electricity.
- nonindustry — not related to a particular industry
- nonmetrical — (music) Without the constraints of a metronome; not played or sung with a strict underlying rhythmic method.
- nonstriated — not striated; unstriped, as certain muscular tissue.
- nonstrikers — Plural form of nonstriker.
- nontropical — not located in or originating from the tropics, not having the characteristics of the tropics
- nostradamic — of or pertaining to Nostradamus or resembling his work; prophetic
- nostradamus — (Michel de Nostredame) 1503–66, French astrologer.
- nutrimental — any substance or matter that, taken into a living organism, serves to sustain it in its existence, promoting growth, replacing loss, and providing energy.
- nutritional — the act or process of nourishing or of being nourished.
- nutritively — Concerning, or in terms of, nutrition.
- nyctitropic — tending to assume at or just before nightfall positions unlike those maintained during the day, as the leaves or flowers of certain plants.
- obstetrical — of or relating to the care and treatment of women in childbirth and during the period before and after delivery.
- obstriction — the condition of being under an obligation, or a duty or compulsion that causes obligation
- obstructing — Present participle of obstruct.
- obstruction — something that obstructs, blocks, or closes up with an obstacle or obstacles; obstacle or hindrance: obstructions to navigation.
- obstructive — to block or close up with an obstacle; make difficult to pass: Debris obstructed the road.
- obtrusively — having or showing a disposition to obtrude, as by imposing oneself or one's opinions on others.
- old country — the original home country of an immigrant or a person's ancestors, especially a European country.
- oligotrophy — the state of being oligotrophic, or deficient in nutrients but high in oxygen.
- on a string — a slender cord or thick thread used for binding or tying; line.
- on the trot — If something happens several times on the trot, it happens that number of times without a break.
- open string — a staircase string whose top follows the profile of the steps in such a way that the treads project beyond its outer face.
- optometrist — a licensed professional who practices optometry.
- orchestrate — Arrange or score (music) for orchestral performance.
- orchestrina — (musical instruments) orchestrion.
- orchestrion — a mechanical musical instrument, resembling a barrel organ but more elaborate, for producing the effect of an orchestra.
- orchid tree — a tree, Bauhinia variegata, of the legume family, native to southeastern Asia, having lavender or purple flowers clustered in the leaf axils, cultivated in warm regions.
- ordeal tree — any of several trees having poisonous seeds, leaves, etc., used in primitive trials by ordeal.
- organistrum — a stringed instrument played by two people
- orthocentre — Point at which the perpendiculars from the angles of a triangle intersect.