13-letter words containing r, i, n, g, a
- angora rabbit — a breed of rabbit with long usually white silky hair
- Ångstrom unit — a unit of length equal to 10 −10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre
- animadverting — Present participle of animadvert.
- animal rights — People who are concerned with animal rights believe very strongly that animals should not be exploited or harmed by humans.
- anthropogenic — relating to anthropogenesis
- anthropologic — the science that deals with the origins, physical and cultural development, biological characteristics, and social customs and beliefs of humankind.
- anthropophagi — cannibals
- anti-allergic — intended to prevent or minimize an allergic reaction
- anti-androgen — any of a class of drugs that oppose the action of androgens; used in the treatment of prostate cancer and various male sexual disorders
- anti-burglary — the felony of breaking into and entering the house of another at night with intent to steal, extended by statute to cover the breaking into and entering of any of various buildings, by night or day.
- 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
- 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.
- archaeologian — (archaic) An archaeologist.
- 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.
- assigned risk — a risk that, under state law, is assigned to an insurer from a pool of insurers who would not otherwise accept it.
- 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.
- avant-gardism — the attitudes, techniques, etc., of the cultural avant-garde.
- award-winning — An award-winning person or thing has won an award, especially an important or valuable one.
- awe-inspiring — If you describe someone or something as awe-inspiring, you are emphasizing that you think that they are remarkable and amazing, although sometimes rather frightening.
- back-breaking — Back-breaking work involves a lot of hard physical effort.
- backgrounding — Present participle of background.
- backing group — a group of musicians providing an instrumental or vocal accompaniment for a pop singer
- 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.
- baggage train — a train of wagons carrying the equipment needed by an army on the march
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- balch springs — a town in NE Texas.
- ball and ring — a simplified bead-and-reel turning, used especially in English and American furniture of the 17th century.