12-letter words containing a, l, o, t, r
- astrobiology — the branch of biology that investigates the possibility of life elsewhere in the universe
- astrogeology — the study of the structure, composition, and history of other planets and other bodies in the solar system
- astrological — the study that assumes and attempts to interpret the influence of the heavenly bodies on human affairs.
- astronomical — If you describe an amount, especially the cost of something as astronomical, you are emphasizing that it is very large indeed.
- at all hours — If you say that something happens at all hours of the day or night, you disapprove of it happening at the time that it does or as often as it does.
- atheoretical — having no connection with and not founded on theory
- atholl brose — a mixture of whisky and honey left to ferment before consumption
- auditorially — Anatomy, Physiology. pertaining to hearing, to the sense of hearing, or to the organs of hearing.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- authorizable — able to be authorized
- autoanalyzer — any of various automatic devices that test and analyze chemicals, blood, etc.
- autocratical — Autocratic.
- autodiallers — Plural form of autodialler.
- bachelorette — A bachelorette is a woman who has never married.
- bacteriology — Bacteriology is the science and the study of bacteria.
- ball control — the skill of controlling the ball in a game such as football or tennis
- balloon tire — a wide, deep-walled pneumatic tire with relatively low air pressure to lessen the shock of bumps
- balloon tyre — a pneumatic tyre containing air at a relatively low pressure and having a wide tread
- ballot paper — A ballot paper is a piece of paper on which you indicate your choice or opinion in an election or ballot.
- bardolatrous — relating to or characterized by bardolatry
- barometrical — (archaic) Relating to, or observed with, a barometer, barometric.
- barratrously — In a barratrous manner.
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- battle royal — a fight, esp with fists or cudgels, involving more than two combatants; melee
- battlefronts — Plural form of battlefront.
- battleground — A battleground is the same as a battlefield.
- battleworthy — capable of engaging in combat; ready for battle: a decline in the nation's battleworthy forces.
- beaver cloth — beaver1 (def 8).
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- beta blocker — A beta blocker is a drug which is used to treat people who have high blood pressure or heart problems.
- beta-blocker — any of various substances that interfere with the action of the beta receptors: used primarily to reduce the heart rate or force in the prevention, management, or treatment of angina, hypertension, or arrythmias.
- bicollateral — (of a vascular bundle) having two phloem groups to the inside and outside, respectively, of the xylem
- binocularity — binocular characteristics
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- blabbermouth — a person who talks too much or indiscreetly
- black forest — wooded mountain region in SW Germany
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- blanket roll — a blanket or sleeping bag rolled into a cylindrical pack for easy carrying and outdoor use by hikers, soldiers, cowboys, etc., often with cooking utensils, food, and personal articles carried inside.
- blastosphere — blastula
- bletheration — nonsense!
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- born-digital — relating to or noting documents, images, etc., that are created and managed in electronic form: electronic preservation of born-digital content; a born-digital e-book that will not be available in print.
- borosilicate — a salt of boric and silicic acids
- bottle party — a party to which guests bring drink
- bottlewasher — a person or machine that washes bottles.
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- breastplough — a plough driven by the worker's breast, often used to pare turf
- bullock cart — a cart pulled by one or two bullocks
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar