13-letter words containing d, a, c, t
- antisudorific — an antiperspirant.
- aperture card — a punched-card mounting for microfilmed pages.
- apodictically — incontestable because of having been demonstrated or proved to be demonstrable.
- appendiculate — having appendicles
- 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.
- armistice day — the anniversary of the signing of the armistice that ended World War I, on Nov 11, 1918, now kept on Remembrance Sunday
- arthroconidia — Plural form of arthroconidium.
- ascensiontide — the ten days from Ascension Day to the day before Whit Sunday
- aspartic acid — nonessential amino acid that is a component of proteins and acts as a neurotransmitter
- astrodynamics — the study of the motion of natural and artificial bodies in space
- at a discount — below the regular price
- audiocassette — a cassette containing audiotape
- authenticated — Prove or show (something, esp. a claim or an artistic work) to be true or genuine.
- auto-destruct — self-destruct.
- autodidactism — Alternative form of autodidacticism.
- autoschediasm — anything done with little forethought or preparation
- autoschediaze — to do or act with little forethought or preparation
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriocidal — Alternative spelling of bactericidal.
- badminton cup — a long refreshing drink of claret with soda water and sugar
- balanced diet — a diet consisting of the proper quantities and proportions of foods needed to maintain health or growth.
- balanced step — any of a series of staircase winders so planned that they are nearly as wide at the inside of the stair as the adjacent fliers.
- balanced tree — (algorithm) An optimisation of a tree which aims to keep equal numbers of items on each subtree of each node so as to minimise the maximum path from the root to any leaf node. As items are inserted and deleted, the tree is restructured to keep the nodes balanced and the search paths uniform. Such an algorithm is appropriate where the overheads of the reorganisation on update are outweighed by the benefits of faster search. A B-tree is a kind of balanced tree that can have more than two subtrees at each node (i.e. one that is not restricted to being a binary tree).
- ballet dancer — a man or woman who takes part in ballet dancing, usually professionally
- baltic shield — the wide area of ancient rock in Scandinavia
- band spectrum — a spectrum consisting of a number of bands of closely spaced lines that are associated with emission or absorption of radiation by molecules
- bandicoot rat — any of three burrowing rats of the genera Bandicota and Nesokia, of S and SE Asia: family Muridae
- bank discount — interest on a loan deducted from the principal amount when the loan is made and based on the loan's face value
- basidiomycete — any fungus of the phylum Basidiomycota (formerly class Basidiomycetes), in which the spores are produced in basidia. The group includes boletes, puffballs, smuts, and rusts
- benedictional — a book of benedictions or blessings
- berchtesgaden — a town in Germany, in SE Bavaria: site of the fortified mountain retreat of Adolf Hitler. Pop: 7667 (2003 est)
- biconditional — (of a proposition) asserting that the existence or occurrence of one thing or event depends on, and is dependent on, the existence or occurrence of another, as “A if and only if B.”.
- bidenticulate — having two small teeth or toothlike processes.
- bidirectional — (of a printhead) capable of printing from left to right and from right to left
- bird-watching — Bird-watching is the activity of watching and studying wild birds in their natural surroundings.
- birthday cake — a special cake eaten at a birthday party
- birthday card — a greeting card sent on someone's birthday
- biscuit bread — biscuits or a biscuit: I like biscuit bread more than corn bread for supper.
- black and tan — a mixture of stout or porter and ale
- black mustard — a Eurasian plant, Brassica (or Sinapsis) nigra, with clusters of yellow flowers and pungent seeds from which the condiment mustard is made: family Brassicaceae (crucifers)
- black studies — a program of studies in black history and culture offered by a school or college, often including Afro-American history and black literature.
- black-and-tan — (of a dog) of a black color with tan markings above the eyes and on the muzzle, chest, legs, feet, and breech.
- black-hearted — evil, malicious, or wicked
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- brace and bit — a hand tool for boring holes, consisting of a cranked handle into which a drilling bit is inserted
- brachydactyly — abnormal shortness of the fingers and toes.
- broad hatchet — a hatchet with a broad cutting edge.