13-letter words containing b, m
- arable farmer — a farmer who grows arable crops
- arithmophobia — the fear of numbers
- armed robbery — a robbery that is carried out by people carrying guns
- armored cable — an electric cable having a metal protective covering
- armour-bearer — a retainer who carried the arms or armour of a warrior
- assembly code — assembly language
- assembly hall — a very large room used to hold public meetings, to stage shows, etc
- assembly line — An assembly line is an arrangement of workers and machines in a factory, where each worker deals with only one part of a product. The product passes from one worker to another until it is finished.
- assembly room — a room used as a public place of entertainment, usually dating from the eighteenth or nineteenth century
- assembly time — the time required for a computer to translate symbolic computer language into machine-language instructions.
- assemblywoman — In the United States, an assemblywoman is a female elected member of an assembly of people who make decisions and laws.
- assemblywomen — Plural form of assemblywoman.
- atomic number — the number of protons in the nucleus of an atom of an element
- baal merodach — Marduk.
- baal shem tov — original name Israel ben Eliezer ?1700–60, Jewish religious leader, teacher, and healer in Poland: founder of modern Hasidism
- baal-shem-tov — (Israel ben Eliezer"Besht") c1700–60, Ukrainian teacher and religious leader: founder of the Hasidic movement of Judaism.
- bab el mandeb — a strait between SW Arabia and E Africa, connecting the Red Sea with the Gulf of Aden
- babbitt metal — any of a number of alloys originally based on tin, antimony, and copper but now often including lead: used esp in bearings
- baby primrose — a tender primrose, Primula forbesii, native to China and Burma, having white, hairy leaves and rose- or lilac-colored flowers with a yellow center.
- back emission — the secondary emission of electrons from an anode
- back mutation — the reversion of a mutant to the original phenotype
- backformation — Alternative spelling of back-formation.
- badminton cup — a long refreshing drink of claret with soda water and sugar
- baggage claim — At an airport, the baggage claim is the area where you collect your baggage at the end of your trip.
- baggagemaster — a person employed, especially by a railroad, bus company, or steamship line, to take charge of passengers' baggage.
- bail bondsman — an individual or firm that lends bail money to defendants awaiting trial
- ballet master — a man who teaches and rehearses the dancers in a ballet company
- 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.
- balmer series — a series of lines in the hydrogen spectrum, discovered by Johann Jakob Balmer (1825–98) in 1885
- balsam capivi — copaiba.
- balsam family — the plant family Balsaminaceae, typified by succulent stems, alternate, opposite, or whorled simple leaves, and irregular solitary or clustered flowers, including the balsam and jewelweed.
- 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.
- bamboo shoots — the shoots of the bamboo plant, often used as food in Asian dishes
- bamboozlement — The act or process of bamboozling or being bamboozled.
- banana family — the plant family Musaceae, characterized by large treelike herbaceous plants of tropical regions, having a trunk formed by spiraling leaf sheaths, and bearing large leaves, flower clusters above leathery red-to-purple bracts, and fleshy fruit in clusters, including the banana and plantain.
- 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
- bank examiner — a public official appointed under U.S. state or federal laws to inspect and audit the operations and accounts of banks in the examiner's jurisdiction.
- bankrupt worm — a roundworm (genus Trichostrongylus) that is an intestinal parasite of birds and mammals, especially devastating to young livestock.
- bantamweights — Plural form of bantamweight.
- barium yellow — a yellow, crystalline compound, BaCrO 4 , used as a pigment (barium yellow)
- barrier cream — a cream used to protect the skin, esp the hands, from dirt and from the action of oils or solvents
- bartholomew i — (Dimitrios Archontonis) born 1940, Archbishop of Constantinople and Ecumenical Patriarch of the Eastern Orthodox Church since 1991.
- baryon number — the number of baryons in a system minus the number of antibaryons
- basement flat — a flat below the ground floor of a building
- basement-rock — the undifferentiated assemblage of rock (basement rock) underlying the oldest stratified rocks in any region: usually crystalline, metamorphosed, and mostly, but not necessarily, Precambrian in age.
- basic plumage — the plumage assumed by an adult bird at its complete, usually annual, molt.
- 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