13-letter words containing a, r, i, d
- arriere-garde — rear guard.
- arseniuretted — combined with arsenic so as to form an arsenide.
- arsenous acid — a toxic white powder, As2O3, used to make other arsenic compounds, insecticides, and preservatives; white arsenic
- arthroconidia — Plural form of arthroconidium.
- arundinaceous — resembling a reed
- ascorbic acid — Ascorbic acid is another name for vitamin C.
- aspartic acid — nonessential amino acid that is a component of proteins and acts as a neurotransmitter
- asses' bridge — pons asinorum
- assigned risk — a risk that, under state law, is assigned to an insurer from a pool of insurers who would not otherwise accept it.
- asteroid belt — the concentrations of asteroids that move around the sun mainly between the orbits of Mars and Jupiter
- astrodynamics — the study of the motion of natural and artificial bodies in space
- at first hand — If you learn or experience something at first hand, you experience it yourself or learn it directly rather than being told about it by other people.
- aten asteroid — one of a small group of asteroids whose orbits cross that of the earth and whose semimajor axes are smaller than that of the earth.
- attitudinizer — One who attitudinizes, or practises poses.
- audience room — a room for holding formal interviews or hearings.
- audiographics — audiographic teleconferencing
- australia day — a public holiday in Australia, commemorating the landing of the British in 1788: observed on January 26
- autoradiogram — autoradiograph
- 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.
- ayurvedically — As a practitioner of Ayurveda; in an Ayurvedic way.
- backgrounding — Present participle of background.
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriocidal — Alternative spelling of bactericidal.
- baedeker raid — one of the German air raids in 1942 on places of cultural and historical importance in England
- bailey bridge — a temporary bridge made of prefabricated steel panels that can be rapidly assembled
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- ball and ring — a simplified bead-and-reel turning, used especially in English and American furniture of the 17th century.
- banana spider — a large, yellowish, tropical crab spider (Heteropoda venatoria) occasionally found in bunches of bananas shipped to the Temperate Zones
- banderilleros — Plural form of banderillero.
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- bandspreading — an additional tuning control in some radio receivers whereby a selected narrow band of frequencies can be spread over a wider frequency band, in order to give finer control of tuning
- bar billiards — a table game in pubs, etc, in which short cues are used to pocket balls into holes scoring various points and guarded by wooden pegs that incur penalties if they are knocked over
- bar-and-grill — a place where food and alcoholic drinks are served to customers; a combined barroom and grillroom.
- barred spiral — a spiral galaxy in which the arms originate at the ends of a bar-shaped nucleus
- basidiospores — Plural form of basidiospore.
- basket dinner — a group social gathering, as of church members, to which participants contribute casseroles or other dishes to share.
- bastard eigne — the first-born illegitimate son of parents whose second son was legitimate.
- bastard title — half title (def 1).
- bastard-title — Also called bastard title. the first printed page of certain books, appearing after the end papers and before the title page and containing only the title of the book.
- battered wife — See under battered woman syndrome.
- batting order — the sequence in which hitters will bat in a given game, determined in advance by the team manager.
- be hard going — If you say that something is hard going, you mean it is difficult and requires a lot of effort.
- beaded lizard — a large, stout-bodied, venomous lizard, Heloderma horridum, inhabiting western Mexico, having black, beadlike scales with yellow to pinkish spots and splotches.
- bearing sword — a large sword carried for its owner by a squire or servant because of its size.
- beauty editor — the person in charge of a section of newspaper or magazine devoted to cosmetics, etc
- beetlebrained — stupid
- benefit fraud — the illegal activity of claiming benefit payments which a person is not entitled to
- bermuda onion — a large white or yellow onion with a mild flavor, grown in Texas, California, etc.
- bib and brace — a work garment consisting of trousers and an upper front part supported by straps over the shoulders