12-letter words containing a, m, t, o
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biometrician — a person who is knowledgeable about biometry
- blabbermouth — a person who talks too much or indiscreetly
- black bottom — a dance of the late 1920s that originated in America, involving a sinuous rotation of the hips
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- bomb factory — a site or building in which terrorists illicitly and secretly create bombs
- book matches — safety matches made of paper and fastened into a small cardboard folder
- boomer state — Oklahoma
- bottom break — a branch coming from the bottom of a plant stem, usually formed by pinching and disbudding.
- bottom grass — any grass that grows on bottoms or lowlands.
- bottom quark — a type of quark with a mass of c. 4.7 to 5.3 GeV/c2, a negative charge that is 1⁄3 the charge of an electron, zero charm, and zero strangeness
- bottom yeast — a yeast whose cells, in the manufacture of wine and lager beer, fall to the bottom as a sediment.
- boxing match — a competition between two boxers
- brain tumour — a tumour that is situated in the brain
- brainstormer — a person who brainstorms
- bromoacetone — a colorless and highly toxic liquid, CH 2 BrCOCH 3 , used as a lachrymatory compound in tear gas and chemical warfare gas.
- bromomethane — methyl bromide.
- bud mutation — a variation produced by a genetic alteration in the bud such that the seeds produced by the resulting growth perpetuate the change in succeeding generations.
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- calamitously — In a calamitous manner.
- call time on — If you call time on something, you end it.
- call to arms — a command to report for active military duty.
- call to mind — to remember or cause to be remembered
- calorimeters — Plural form of calorimeter.
- calorimetric — the measurement of heat.
- calumniation — to make false and malicious statements about; slander.
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- caméra stylo — the use of the camera as a means of personal expression, esp as practised by some directors of the New Wave
- camomile tea — a medicinal beverage made from the fragrant leaves and flowers of any of these plants
- camp bastion — a large British military base in Helmand province, Afghanistan, built in 2006
- camphor tree — a lauraceous evergreen E Asian tree, Cinnamomum camphora, whose aromatic wood yields camphor
- camphorating — Present participle of camphorate.
- carol stream — a town in NE Illinois.
- carpetmonger — a person who frequently visits women's boudoirs
- catamountain — any of several wildcats, esp. the leopard or the European wildcat
- cathetometer — an instrument measuring minute height differences
- cathiodermie — a beauty treatment for the skin, which involves using electrotherapy
- causationism — the theory of universal causation
- centimorgans — Plural form of centimorgan.
- cephalometer — an instrument for positioning the human head for X-ray examination in cephalometry
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- cessationism — The concept, amongst most Christians, that the works of the Holy Spirit (speaking in tongues, prophecy, healing, and miracles) ceased at some point in history.
- chamber tomb — a prehistoric tomb with a chamber inside it in which the body of an important person was laid to rest
- chapter room — a room for the use of the chapter of a religious institution
- chemotherapy — Chemotherapy is the treatment of disease using chemicals. It is often used in treating cancer.