13-letter words containing i, r, g, a, t
- anticigarette — opposing cigarette smoking
- antiforeigner — opposed to foreigners or foreign countries
- antiguerrilla — acting against guerrilla activity
- antiimmigrant — Opposing immigrants or immigration.
- antilittering — (of a campaign) intended to discourage litter dropping
- antilogarithm — a number whose logarithm to a given base is a given number
- antioestrogen — a drug that inhibits the activity of oestrogens
- antireligious — opposed to religious ideas, beliefs, and organizations
- anythingarian — a person who adheres to no particular creed
- apogeotropism — negative geotropism, as shown by plant stems
- appoggiaturas — Plural form of appoggiatura.
- apprenticeage — (obsolete) Apprenticeship.
- appropriating — Present participle of appropriate.
- approximating — Present participle of approximate.
- apron strings — If you say that someone is tied to another person's apron strings, you mean that they are controlled or influenced too much by the other person.
- archaeologist — a specialist in archaeology, the scientific study of prehistoric peoples and their cultures by analysis of their artifacts, inscriptions, monuments, etc.
- archeologists — archaeology.
- arcticologist — a person who specializes in arcticology.
- argentiferous — containing or bearing silver
- argentine ant — a small brown ant, Iridomyrmex humilis, introduced into the southern U.S. from South America: a household and fruit pest.
- argumentation — Argumentation is the process of arguing in an organized or logical way, for example in philosophy.
- argumentative — Someone who is argumentative is always ready to disagree or start quarrelling with other people.
- arm wrestling — a contest in which two people sit facing each other each with one elbow resting on a table, clasp hands, and each tries to force the other's arm flat onto the table while keeping his own elbow touching the table
- armor-plating — The armor-plating on a vehicle or building is the hard metal covering that is intended to protect it from gunfire and other missiles.
- arterializing — Present participle of arterialize.
- arteriography — the X-ray examination of an artery or arterial system after injection of a contrast medium into the bloodstream
- aryepiglottic — pertaining to or connecting the arytenoid cartilage and the epiglottis.
- assyriologist — A person who studies ancient Assyria.
- astereognosis — inability to recognize objects by touch
- athenagoras i — (Aristocles Spyrou) 1886–1972, Archbishop Ecumenical of Constantinople and Ecumenical Patriarch of the Greek Orthodox Church 1948–72.
- atherogenesis — (medicine) The formation of atheromas, especially on the walls of the arteries.
- atomic energy — nuclear energy
- auctioneering — Present participle of auctioneer.
- autobiography — Your autobiography is an account of your life, which you write yourself.
- autographical — Relating to, or used in, the process of autography.
- autoradiogram — autoradiograph
- avant-gardism — the attitudes, techniques, etc., of the cultural avant-garde.
- back straight — a straight part of a circuit, esp of an athletics track or a racecourse, furthest from the finishing point
- backing store — a computer storage device, usually a disk, that provides additional storage space for information so that it can be accessed and referred to when required and may be copied into the processor if needed
- backing track — a recorded instrumental or vocal accompaniment for a pop singer or pop number
- bacteriogenic — Caused by bacteria.
- bacteriologic — a branch of microbiology dealing with the identification, study, and cultivation of bacteria and with their applications in medicine, agriculture, industry, and biotechnology.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bag of tricks — a container or receptacle of leather, plastic, cloth, paper, etc., capable of being closed at the mouth; pouch.
- baggage train — a train of wagons carrying the equipment needed by an army on the march
- bastard eigne — the first-born illegitimate son of parents whose second son was legitimate.
- battering ram — A battering ram is a long heavy piece of wood that is used to knock down the locked doors of buildings.
- battering-ram — an ancient military device with a heavy horizontal ram for battering down walls, gates, etc.
- batting order — the sequence in which hitters will bat in a given game, determined in advance by the team manager.