13-letter words containing i, n, r
- advance ratio — the ratio of wind speed along the axis of a rotor or propeller to the speed of the blade tip
- adventuristic — relating to adventurism
- adversariness — the state of being adversarial
- advertisement — An advertisement is an announcement in a newspaper, on television, or on a poster about something such as a product, event, or job.
- advertizement — a paid announcement, as of goods for sale, in newspapers or magazines, on radio or television, etc.
- aerial tanker — an aircraft used to transport fuel or water
- aerodontalgia — a toothache caused by lowered barometric pressure, as in high-altitude flight.
- aerodynamical — relating to aerodynamics
- aeromagnetics — the science of measuring magnetic characteristics associated with atmospheric conditions of the earth.
- aeromechanics — the mechanics of gases, esp air
- aeromodelling — the making and flying of model planes
- aerosinusitis — inflammation of the nasal sinuses caused by the effect on the sinuses of changes in atmospheric pressure.
- affenpinscher — a small wire-haired breed of dog of European origin, having tufts of hair on the muzzle
- affinity card — An affinity card is a type of credit card. The bank which issues the card gives a small amount of money to a charity or institution each time the customer spends a certain amount with their card.
- affirming gun — a gun fired by a warship to signal its intention to search a merchant vessel.
- afforestation — Afforestation is the process of planting large numbers of trees on land which has few or no trees on it.
- affreightment — a contract hiring a ship to carry goods
- aformentioned — Misspelling of aforementioned.
- african daisy — any of several composite plants native to Africa, especially of the genera Arctotis, Gerbera, and Lonas, having showy, daisylike flowers.
- african grape — a watermelon.
- african plate — a major tectonic division of the earth's crust, comprising the African continent as well as adjacent ocean basins (the Canary, Cape Verde, Angola, Cape Agulhas, Somali, Madagascar, and Natal Basins), and bounded on the north by the Eurasian and Arabian Plates, on the east by mid-ocean ridges (the Southwest Indian, Mid-Indian, and Carlsberg Ridges), on the south by the Antarctic Plate, and on the west by the Mid-Atlantic Ridge.
- african union — an organization of African states established in 2002 as successor to the OAU; it aims to encourage economic development and political stability through increased cooperation between its members
- afro-american — African-American
- age hardening — the hardening of metals by spontaneous structural changes over a period of time
- aggiornamento — the process of bringing up to date methods, ideas, etc
- agglomeration — An agglomeration of things is a lot of different things gathered together, often in no particular order or arrangement.
- aggradational — (geology) Pertaining to or formed by aggradation.
- aggravatingly — in a manner that is aggravating
- aggregational — resulting from aggregation
- agro-economic — of or relating to a nation's agricultural economy, the financial problems of farmers as a group, etc.: mounting pressures on the agro-economic system.
- agro-industry — the large-scale production, processing, and packaging of food using modern equipment and methods.
- agronomically — in an agronomic manner
- air ambulance — An air ambulance is a helicopter or plane that is used for taking people to hospital.
- air force one — the US Air Force plane used by the US president
- air freshener — An air freshener is a product people can buy which is meant to make rooms smell pleasant.
- air hardening — a process of hardening high-alloy steels by heating and cooling in a current of air
- air injection — injection of liquid fuel into the cylinder of an internal-combustion engine, especially a diesel, by means of a jet of compressed air.
- air pollution — contamination of the atmosphere
- air-breathing — (of an engine, aircraft, missile, etc.) to take in air from the atmosphere to oxidize the fuel for combustion.
- air-condition — to apply air conditioning to
- air-hardening — noting any metal, especially alloy steel, that can be hardened from above its transformation point by cooling in air.
- air-to-ground — operating between an aircraft in flight and a target on the ground
- aircraftwoman — The female equivalent of an aircraftman.
- aircraftwomen — Plural form of aircraftwoman.
- airheadedness — The quality of being airheaded.
- airline pilot — a person who flies planes as a profession and works for a commercial airline
- airplane mode — a setting on a phone or other mobile device that turns off Wi-Fi, cellular, and other wireless connections.
- airplane rule — aeroplane rule
- airplane spin — a maneuver in which a wrestler, grasping an opponent by the head and crotch, lifts the opponent's body crosswise overhead, lowers it to the shoulders for support, then spins around and throws the opponent back over the head to the mat.
- airplane turn — a midair turn made in the middle of a jump.