13-letter words containing r, a, b
- backscratcher — an implement with a long handle, used for scratching one's back
- 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.
- bacteriogenic — Caused by bacteria.
- bacteriologic — a branch of microbiology dealing with the identification, study, and cultivation of bacteria and with their applications in medicine, agriculture, industry, and biotechnology.
- bacteriolysin — an antibody which, when it combines with bacterial cells, causes lysis of those cells, thus destroying them
- bacteriolysis — the destruction or disintegration of bacteria
- bacteriolytic — disintegration or dissolution of bacteria.
- bacteriophage — a virus that is parasitic in a bacterium and multiplies within its host, which is destroyed when the new viruses are released
- bacteriophagy — the action of a bacteriophage
- bacterioscopy — the examination of bacteria with a microscope.
- bacteriostats — Plural form of bacteriostat.
- bacteriotoxin — any toxin that kills bacteria
- bacterization — subjection to bacterial action
- 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
- bag of tricks — a container or receptacle of leather, plastic, cloth, paper, etc., capable of being closed at the mouth; pouch.
- bag of waters — a fluid-filled membranous sac in the pregnant uterus that encloses and cushions the fetus, normally breaking at or just before the time of birth; the amnion.
- baggage train — a train of wagons carrying the equipment needed by an army on the march
- baggagemaster — a person employed, especially by a railroad, bus company, or steamship line, to take charge of passengers' baggage.
- bahr el jebel — a river in S Sudan: a segment of the White Nile river. 594 miles (956 km) long.
- bailey bridge — a temporary bridge made of prefabricated steel panels that can be rapidly assembled
- baker's dozen — thirteen
- baker's yeast — a yeast (Saccharomyces cerevisiae) used in baking as a leavening, as for certain breads
- bakewell tart — an open tart having a pastry base and a layer of jam and filled with almond-flavoured sponge cake
- 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).
- 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.
- ballet dancer — a man or woman who takes part in ballet dancing, usually professionally
- ballet master — a man who teaches and rehearses the dancers in a ballet company
- ballistospore — a spore, esp a fungal spore, that is forcefully ejected from its source
- balloon frame — a wooden building frame composed of machine-sawed scantlings fastened with nails, having studs rising the full height of the frame with the joists nailed to the studs and supported by sills or by ribbons let into the studs.
- balloon-berry — strawberry-raspberry.
- balmer series — a series of lines in the hydrogen spectrum, discovered by Johann Jakob Balmer (1825–98) in 1885
- balneotherapy — the treatment of disease by bathing, esp to improve limb mobility in arthritic and neuromuscular disorders
- balsam poplar — a poplar tree, Populus balsamifera, of NE North America, having resinous buds and broad heart-shaped leaves
- balsam spruce — either of two North American coniferous trees of the genus Picea, P. pungens (the blue spruce) or P. engelmanni
- balsamiferous — yielding or producing balsam
- baluster stem — a stem of a drinking glass or the like having a gradual swelling near the top or bottom.
- 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
- banbury tarts — small baked pastries filled with raisins, currants, etc.
- bancassurance — the selling of insurance products by a bank to its customers
- 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