13-letter words containing a, r, d
- 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
- ass backwards — in an order or way reverse from the usual: You've sewn the sleeve on assbackwards.
- ass-backwards — of or in a way that is particularly contrary to the usual way, confusing, etc.
- 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.
- attested form — a linguistic form that can be shown to be in use or in written records
- attested herd — a herd of cattle, etc that has been certified as being free from a disease, esp from tuberculosis
- 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
- auto-destruct — self-destruct.
- autoradiogram — autoradiograph
- autoresponder — A program that automatically generates a set response to all messages sent to a particular e-mail address.
- avant-gardism — the attitudes, techniques, etc., of the cultural avant-garde.
- average speed — a scalar measure of the rate of movement of a body expressed as the distance travelled divided by the time taken
- 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.
- baal merodach — Marduk.
- backdoor play — an offensive tactic whereby a player breaks away from a defender to receive a pass near the baseline in order to make a quick layup.
- backgrounders — Plural form of backgrounder.
- backgrounding — Present participle of background.
- backward roll — a gymnastic roll that is performed with the feet going first and the rest of the body and the head following
- backwardation — the difference between the spot price for a commodity, including rent and interest, and the forward price
- bacteriocidal — Alternative spelling of bactericidal.
- bad godesberg — official name of Godesberg.
- 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
- baker's dozen — thirteen
- baking powder — Baking powder is an ingredient used in cake making. It causes cakes to rise when they are in the oven.
- 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).
- ball and ring — a simplified bead-and-reel turning, used especially in English and American furniture of the 17th century.
- ballet dancer — a man or woman who takes part in ballet dancing, usually professionally
- banana bender — a native or inhabitant of Queensland
- banana spider — a large, yellowish, tropical crab spider (Heteropoda venatoria) occasionally found in bunches of bananas shipped to the Temperate Zones
- 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
- band together — If people band together, they meet and act as a group in order to try and achieve something.
- banded purple — any color having components of both red and blue, such as lavender, especially one deep in tone.
- 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.