12-letter words containing o, s, t, i
- bio-security — the precautions taken to protect against the spread of lethal or harmful organisms and diseases
- bioacoustics — the study of animals' use of sound
- bioastronomy — the branch of biology which deals with the study or the discovery of life forms on other planets or in space
- biochemistry — Biochemistry is the study of the chemical processes that happen in living things.
- biodiversity — Biodiversity is the existence of a wide variety of plant and animal species living in their natural environment.
- biomagnetics — the study of magnetic fields as a form of therapy
- biomagnetism — animal magnetism.
- biopesticide — a naturally occurring or derived substance or an organism that controls pests by nontoxic means
- biorhythmics — the study of biorhythms
- biosatellite — an artificial satellite for carrying living organisms
- bioscientist — any science that deals with the biological aspects of living organisms.
- biosynthesis — the formation of complex compounds from simple substances by living organisms
- biosynthetic — of, relating to, or characterized by biosynthesis, the formation of chemical compounds by a living organism, or a laboratory process modeled after these reactions in living organisms.
- bioterrorism — Bioterrorism is terrorism that involves the use of biological weapons.
- bird's mouth — a right-angled notch cut in the underside of a rafter for fitting over a longitudinal member, as a wall plate.
- bird-spotter — a bird-watcher
- bit of skirt — a girl or woman
- biting louse — any wingless insect of the order Mallophaga, such as the chicken louse: external parasites of birds and mammals with biting mouthparts
- bitter aloes — a bitter purgative drug made from the leaves of several species of aloe
- blastocoelic — of or relating to the blastocoel
- blastulation — the process of blastula formation
- blockbusting — A blockbusting film or book is one that is very successful, usually because it is very exciting.
- blood sister — a sister by birth
- bloodstained — Someone or something that is bloodstained is covered with blood.
- bloodthirsty — Bloodthirsty people are eager to use violence or display a strong interest in violent things. You can also use bloodthirsty to refer to very violent situations.
- bloody shirt — something, as a political issue or historical event, that can be used to stir up outrage, partisan support, etc.
- blossom into — the flower of a plant, especially of one producing an edible fruit.
- blue stilton — a rich cheese made from whole milk, blue-veined and very strong in flavour
- bluestocking — A bluestocking is an intellectual woman.
- boatsmanship — seamanship as applied to boats, especially rowboats and motorboats.
- boiled shirt — a dress shirt with a stiff front
- boiled sweet — Boiled sweets are hard sweets that are made from boiled sugar.
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bolshevistic — of, relating to, or characteristic of Bolshevists or Bolshevism.
- bone density — the degree of compactness of bone
- book society — book club.
- bootylicious — sexually attractive, esp with curvaceous buttocks
- borosilicate — a salt of boric and silicic acids
- bossier city — city in NW La., on the Red River opposite Shreveport: pop. 56,000
- botrytis rot — a disease of many plants caused by fungi of the genus Botrytis, characterized by leaf blight, a tan-gray moldlike surface growth, and the rotting of stems and storage organs.
- brainstormer — a person who brainstorms
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- broadcasting — Broadcasting is the making and sending out of television and radio programmes.
- bunco artist — a confidence trickster or con artist
- 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.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- cabot strait — a channel in Canada, connecting the Gulf of St. Lawrence with the Atlantic Ocean. 68 miles (109 km) wide.
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- cafe society — people, esp intellectuals and artists who meet in cafés
- calamitously — In a calamitous manner.