12-letter words containing a, c, t, m
- ascomycetous — belonging or pertaining to the Ascomycota.
- astigmoscope — astigmatoscope.
- astrochemist — (chemistry, astronomy) A chemist or astronomer whose speciality is astrochemistry.
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc
- astrocytomas — Plural form of astrocytoma.
- astrodynamic — Pertaining to astrodynamics.
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
- asymmetrical — Something that is asymmetrical has two sides or halves that are different in shape, size, or style.
- asymptomatic — If someone with a disease is asymptomatic, it means that they do not show any symptoms of the disease.
- asymptotical — of or relating to an asymptote.
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atomic clock — an extremely accurate clock in which an electrical oscillator is controlled by the natural vibrations of an atomic or molecular system such as caesium or ammonia
- atomic power — nuclear power.
- auction room — a room in a building where auctions take place
- autocomplete — a feature of a word processor, email program, web browser, etc., that automatically predicts the remaining characters in a word or phrase based on what has been typed or input before: If you supply the information, your browser will be able to use autocomplete to fill out online forms.
- automaticity — the condition of being automatic, or the degree of this
- autorhythmic — That generates its own rhythm.
- avitaminotic — of or relating to avitaminosis
- axisymmetric — being symmetrical around an axis
- azithromycin — A macrolide antibiotic derived from erythromycin.
- bach trumpet — a modern small three-valved trumpet for playing clarino passages in Bach's music
- backcourtman — any of the players stationed in the backcourt; a guard
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- basmati rice — a variety of long-grain rice with slender aromatic grains, used for savoury dishes
- bathochromic — denoting or relating to a shift to a longer wavelength in the absorption spectrum of a compound
- beauty cream — a cosmetic cream
- beech marten — stone marten.
- bidialectism — proficient in or using two dialects of the same language.
- biomagnetics — the study of magnetic fields as a form of therapy
- biometrician — a person who is knowledgeable about biometry
- black bottom — a dance of the late 1920s that originated in America, involving a sinuous rotation of the hips
- black market — If something is bought or sold on the black market, it is bought or sold illegally.
- black stream — a warm ocean current in the Pacific, flowing N along the E coast of Taiwan, NE along the E coast of Japan, and continuing in an easterly direction into the open Pacific.
- black-market — to black-marketeer.
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- 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
- boxing match — a competition between two boxers
- bracket lamp — a wall light that is attached to the wall by a bracket
- brigham city — a city in N Utah.
- bromoacetone — a colorless and highly toxic liquid, CH 2 BrCOCH 3 , used as a lachrymatory compound in tear gas and chemical warfare gas.
- cabbage moth — a common brownish noctuid moth, Mamestra brassicae, the larva of which is destructive of cabbages and other plants
- cabinetmaker — A cabinetmaker is a person who makes high-quality wooden furniture.
- calamitously — In a calamitous manner.
- calceamentum — (in ancient Rome) a sandal, boot, shoe, or other type of footwear
- 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.