12-letter words containing a, l, s, t, o
- auscultation — the diagnostic technique in medicine of listening to the various internal sounds made by the body, usually with the aid of a stethoscope
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autoanalysis — Psychoanalysis. self-analysis.
- autocatalyse — to cause an internal, self-produced, chemical reaction
- autodiallers — Plural form of autodialler.
- autoeciously — in an autoecious manner
- autogenously — In an autogenous manner; spontaneously.
- automobilism — the use of automobiles, or the practices associated with them
- automobilist — Driver; person who uses a motor vehicle such as car, van or truck.
- autonomously — Government. self-governing; independent; subject to its own laws only. pertaining to an autonomy, or a self-governing community.
- backsolution — The process or result of backsolving.
- balletomanes — Plural form of balletomane.
- balloon seat — (on some 18th-century chairs) a seat having an outline resembling that of a bell.
- balto-slavic — the Baltic and Slavic languages, when considered as constituting a subfamily within the Indo-European family of languages: the Baltic and Slavic branches are now generally considered by scholars as independently derived from Indo-European
- bardolatrous — relating to or characterized by bardolatry
- barratrously — In a barratrous manner.
- bastel house — (on the Anglo-Scottish border) a partly fortified house, usually with a vaulted ground floor.
- bathophilous — (of an organism) living in very deep water
- battlefronts — Plural form of battlefront.
- battlewagons — Plural form of battlewagon.
- be at a loss — If you say that you are at a loss, you mean that you do not know what to do in a particular situation.
- beauty salon — A beauty salon is the same as a beauty parlour.
- below stairs — People sometimes use below stairs to refer to the servants in a rich household and the things that are connected with them.
- biosatellite — an artificial satellite for carrying living organisms
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- black forest — wooded mountain region in SW Germany
- black locust — Also called false acacia, yellow locust. a North American tree, Robinia pseudoacacia, of the legume family, having pinnate leaves and clusters of fragrant white flowers.
- black sapote — a tropical American tree, Diospyros digyna, related to the persimmon, having sweet, edible, green fruit that turns black when ripe.
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- blanket toss — a game in which a person is repeatedly tossed into the air and caught on an open blanket by a group of people who hold the blanket at its edges and stretch and relax it for each toss and catch.
- blastocoelic — of or relating to the blastocoel
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- blastosphere — blastula
- blastulation — the process of blastula formation
- bloodstained — Someone or something that is bloodstained is covered with blood.
- bonnet glass — monteith (def 2).
- bonnet-glass — a large punch bowl, usually of silver, having a notched rim for suspending punch cups.
- borosilicate — a salt of boric and silicic acids
- bottle glass — glass used for making bottles, consisting of a silicate of sodium, calcium, and aluminium
- bottlewasher — a person or machine that washes bottles.
- breastplough — a plough driven by the worker's breast, often used to pare turf
- burro's tail — a succulent Mexican plant, Sedum morganianum, of the stonecrop family, bearing small, rose-colored flowers and long, hanging, nearly cylindrical stems with closely packed whitish-green leaves.
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- cadet school — a training establishment for cadets in the army
- calamitously — In a calamitous manner.
- calculations — Plural form of calculation.
- calibrations — Plural form of calibration.
- caliginosity — darkness
- call to arms — a command to report for active military duty.
- calorimeters — Plural form of calorimeter.