15-letter words containing t, e, n, o, i
- omnibus edition — a television or radio programme consisting of two or more programmes broadcast earlier in the week
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- omnium gatherum — a miscellaneous collection.
- omnium-gatherum — a miscellaneous collection.
- on a shoestring — If you do something or make something on a shoestring, you do it using very little money.
- on heat/in heat — When a female animal is on heat in British English, or in heat in American English, she is in a state where she is ready to mate with a male animal, as this will probably result in her becoming pregnant.
- on prescription — If a medicine is available on prescription, you can only get it from a chemist or pharmacist if a doctor gives you a prescription for it.
- on short notice — with little warning
- on the increase — growing, increasing
- on the point of — a sharp or tapering end, as of a dagger.
- on the qui vive — on the qui vive, on the alert; watchful: Special guards were on the qui vive for trespassers.
- on the trail of — If you are on the trail of a person or thing, you are trying hard to find them or find out about them.
- one-night stand — a single performance in one locale, as by a touring theatrical company, before moving on to the next engagement.
- oneirocriticism — the art of interpreting dreams.
- open convention — a party convention at which delegates are free to vote for the candidate of their choice.
- open university — higher education by correspondence
- open-cut mining — mining by excavating from the surface
- open-pit mining — a method of mining, usually for metallic ores, in which the waste and ore are completely removed from the sides and bottom of a pit which gradually becomes an enormous canyonlike hole
- open-pollinated — (of a flower) pollinated without human agency.
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- opinionatedness — The state or condition of being opinionated.
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- optical printer — a film printer used in making optical effects, consisting basically of a camera that photographs the image with special lenses to enlarge, reduce, distort, etc., and a projector that transfers the image to the print stock, as distinguished from a contact printer.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optoelectronics — the branch of electronics dealing with devices that generate, transform, transmit, or sense optical, infrared, or ultraviolet radiation, as cathode-ray tubes, electroluminescent and liquid crystal displays, lasers, and solar cells.
- orchestrational — Of or pertaining to orchestration.
- oriental carpet — Oriental rug.
- orientationally — With regard to orientation.
- origination fee — a fee charged by a lender for evaluating and processing a loan application, usually a percentage of the face value of the loan.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- ortho-toluidine — Chemistry. a light-yellow, very slightly water-soluble liquid, C 7 H 9 N, the ortho isomer of toluidine: used in the manufacture of dyes, saccharin, and other organic compounds, and in textile printing processes.
- osteochondritis — inflammation of bone and cartilage.
- osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
- otaheite orange — a small citrus bush, Citrus limonia otaitensis, having fragrant flowers and small orange fruit, often cultivated as a houseplant.
- out in the cold — having a relatively low temperature; having little or no warmth: cold water; a cold day.
- out in the open — knowledge: public
- out of business — If a shop or company goes out of business or is put out of business, it has to stop trading because it is not making enough money.
- outline drawing — a drawing consisting only of external lines
- outstandingness — prominent; conspicuous; striking: an outstanding example of courage.
- over-analytical — pertaining to or proceeding by analysis (opposed to synthetic).
- over-correction — correction beyond what is needed or customary, especially when leading to error; overadjustment: The pilot made an overcorrection for headwinds.
- over-distention — the act of distending or the state of being distended.
- over-enthusiasm — absorbing or controlling possession of the mind by any interest or pursuit; lively interest: He shows marked enthusiasm for his studies.
- over-estimation — to estimate at too high a value, amount, rate, or the like: Don't overestimate the car's trade-in value.