9-letter words containing i, n, t, r, o
- operation — an act or instance, process, or manner of functioning or operating.
- optronics — Optoelectronics.
- oratorian — a member of an Oratory.
- ordinated — Simple past tense and past participle of ordinate.
- ordinates — Plural form of ordinate.
- ordinator — One who ordains or establishes; a director.
- organists — Plural form of organist.
- organotin — of, concerned with, or being an organic compound with one or more tin atoms in its molecules: used as a pesticide, hitherto considered to decompose safely, now found to be toxic in the food chain
- orientals — Plural form of oriental.
- orientate — (UK, intransitive) To face (a given direction).
- orienteer — (sports) Someone who takes part in the sport of orienteering.
- orienting — the Orient, the countries of Asia, especially East Asia. (formerly) the countries to the E of the Mediterranean.
- originate — to take its origin or rise; begin; start; arise: The practice originated during the Middle Ages.
- orleanist — a supporter of the Orléans branch of the former French royal family and of its claim to the throne of France through descent from the younger brother of Louis XIV.
- orneriest — ugly and unpleasant in disposition or temper: No one can get along with my ornery cousin.
- ornithine — an amino acid, H 2 N(CH 2) 3 CH(NH 2)COOH, obtained by the hydrolysis of arginine and occurring as an intermediate compound in the urea cycle of mammals.
- ornithoid — resembling a bird.
- ornithol. — ornithological
- orpington — one of a breed of large, white-skinned chickens.
- ortanique — A citrus fruit that is a cross between an orange and a tangerine, developed in Jamaica in the 1920s.
- ostringer — astringer.
- otterbein — Philip William, 1726–1813, American clergyman, founder of the United Brethren, born in Germany.
- outcrying — Present participle of outcry.
- outdrinks — Plural form of outdrink.
- outlinear — relating to an outline
- outliners — Plural form of outliner.
- outraging — Present participle of outrage.
- outridden — Past participle of outride.
- outriding — Present participle of outride.
- outspring — to spring out
- outsprint — to race or move at full speed, especially for a short distance, as in running, rowing, etc.
- outstrain — to strain or stretch too much
- overnight — for or during the night: to stay overnight.
- overpaint — to cover over with paint
- overprint — Printing. to print additional material or another color on a form or sheet previously printed.
- overstain — to stain too much
- overstink — to stink more than (something else)
- overthink — If you overthink, or if you overthink a problem, you spend too much time thinking about something.
- overtrain — to train excessively
- oystering — any of several edible, marine, bivalve mollusks of the family Ostreidae, having an irregularly shaped shell, occurring on the bottom or adhering to rocks or other objects in shallow water.
- paintwork — layer of paint on wall or vehicle
- pantropic — (especially of viruses) attracted to or affecting many types of body tissues.
- parathion — a deep-brown to yellow, poisonous liquid, C 1 0 H 1 4 NO 5 PS, used as an insecticide.
- paratonic — (of a plant movement) occurring in response to an external stimulus
- parroting — any of numerous hook-billed, often brilliantly colored birds of the order Psittaciformes, as the cockatoo, lory, macaw, or parakeet, having the ability to mimic speech and often kept as pets.
- partition — a division into or distribution in portions or shares.
- pastoring — a minister or priest in charge of a church.
- patrimony — an estate inherited from one's father or ancestors.
- patronise — to give (a store, restaurant, hotel, etc.) one's regular patronage; trade with.
- patronize — to give (a store, restaurant, hotel, etc.) one's regular patronage; trade with.