13-letter words containing d, i, a, t, r
- antisudorific — an antiperspirant.
- apostrophized — Simple past tense and past participle of apostrophize.
- apparent wind — (wind), the velocity of air as measured from a moving object, as a ship.
- arachnoiditis — an inflammation of the arachnoid membrane
- archimandrite — the head of a monastery or a group of monasteries
- architectured — Designed (according to a form of architecture, or as if by an architect).
- aridification — the process by which a humid region becomes increasingly dry, as by climatic change or human interference with the ecology.
- aridity index — a number indicating how much more precipitation could be lost by evapotranspiration if it were available than is actually lost at a given location.
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- armstand dive — a dive starting from a handstand at the end of a springboard or a platform with the diver's back to the water.
- arseniuretted — combined with arsenic so as to form an arsenide.
- arthroconidia — Plural form of arthroconidium.
- aspartic acid — nonessential amino acid that is a component of proteins and acts as a neurotransmitter
- 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.
- 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.
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriocidal — Alternative spelling of bactericidal.
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- 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.
- 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
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- big-heartedly — in a big-hearted manner
- bird-watching — Bird-watching is the activity of watching and studying wild birds in their natural surroundings.
- birthday bash — a birthday party
- birthday cake — a special cake eaten at a birthday party
- birthday card — a greeting card sent on someone's birthday
- birthday girl — the girl or woman whose birthday is being celebrated
- birthday suit — If you are in your birthday suit, you are not wearing any clothes.
- biscuit bread — biscuits or a biscuit: I like biscuit bread more than corn bread for supper.
- bitter almond — a variety of almond whose bitter seeds yield hydrocyanic acid upon hydrolysis
- board meeting — a meeting of the board of a company or other organization
- brace and bit — a hand tool for boring holes, consisting of a cranked handle into which a drilling bit is inserted
- break it down — stop it
- bridal wreath — any of several N temperate rosaceous shrubs of the genus Spiraea, esp S. prunifolia, cultivated for their sprays of small white flowers
- brilliantined — treated with brilliantine
- bristol board — a heavy smooth cardboard of fine quality, used for printing and drawing
- british india — the 17 provinces of India formerly governed by the British under the British sovereign: ceased to exist in 1947 when the independent states of India and Pakistan were created