13-letter words containing e, a, s, o
- blastogenesis — the theory that inherited characteristics are transmitted only by germ plasm
- blepharoplast — a cylindrical cytoplasmic body in protozoa
- blepharospasm — spasm of the muscle of the eyelids, causing the eyes to shut tightly, either as a response to painful stimuli or occurring as a form of dystonia
- block release — the release of industrial trainees from work for study at a college for several weeks
- blood sausage — a kind of black sausage made from minced pork fat, pig's blood, and other ingredients
- blood-stained — stained with blood: a bloodstained knife.
- bloody caesar — a drink consisting of vodka, juice made from clams and tomatoes, and usually Worcester sauce and hot pepper sauce
- blow a gasket — to burst out in anger
- blue asbestos — a common name for the mineral crocidolite, a variety of asbestos found in Africa and Australia
- blue copperas — a salt, copper sulfate, CuSO 4 ⋅5H 2 O, occurring naturally as large transparent, deep-blue triclinic crystals, appearing in its anhydrous state as a white powder: used chiefly as a mordant, insecticide, fungicide, and in engraving.
- blue grosbeak — a grosbeak, Guiraca caerulea, of the U.S., Mexico, and Central America, the male of which is blue with two rusty bars on each wing.
- board measure — a system of units for measuring wood based on the board foot. 1980 board feet equal one standard
- boarding fees — fees paid for boarding at a school
- boardinghouse — a private house in which accommodation and meals are provided for paying guests
- body snatcher — (formerly) a person who robbed graves and sold the corpses for dissection
- bois de vache — dried buffalo dung, used as fuel by Canadian and U.S. fur trappers in the 18th and 19th centuries.
- bonanza state — a name for the state of Montana
- booster cable — either of a pair of electric cables having clamps at each end and used for starting the engine of a vehicle whose battery is dead.
- boraginaceous — of, relating to, or belonging to the Boraginaceae, a family of temperate and tropical typically hairy-leaved flowering plants that includes forget-me-not, lungwort, borage, comfrey, and heliotrope
- border states — slave states bordering on the free states before the Civil War: Mo., Ky., Va., Md., & Del.
- borna disease — viral disease found in mammals, esp horses
- bottle-washer — a menial or factotum
- bouillabaisse — Bouillabaisse is a rich stew or soup of fish and vegetables.
- bounced flash — a flash bounced off a reflective surface, as a ceiling or wall, to illuminate a subject indirectly.
- bouncy castle — A bouncy castle is a large object filled with air, often in the shape of a castle, which children play on at a fairground or other outdoor event.
- boys' brigade — (in Britain) an organization for boys, founded in 1883, with the aim of promoting discipline and self-respect
- brachypterous — having very short or incompletely developed wings
- brain surgeon — a surgeon who specializes in brain surgery
- branded goods — goods that are identifiable as being the product of a particular manufacturer or marketing company
- brassicaceous — belonging to the plant family Brassicaceae, an alternative name for the plant family Cruciferae.
- breakthroughs — a military movement or advance all the way through and beyond an enemy's front-line defense.
- breast pocket — The breast pocket of a man's coat or jacket is a pocket, usually on the inside, next to his chest.
- breast stroke — a swimming stroke performed face down in which both arms are extended outward and sideways from a position close to the chest, while the legs engage in a frog kick
- breaststroker — a person who swims breaststroke
- brevirostrate — having a short beak or bill
- bridal shower — a party, held for a woman before her wedding, to which her friends bring gifts
- broadly based — Something that is broadly based involves many different kinds of things or people.
- buenas noches — good night
- bums on seats — If the organizers of an event such as a concert want to put bums on seats, they want a lot of people to attend it.
- businesswoman — A businesswoman is a woman who works in business.
- buster collar — a round collar, similar to a lampshade in shape, that is fitted round the neck of an animal or bird, for example to prevent it removing or interfering with a dressing or other treatment
- by contraries — contrary to what is expected
- cache storage — cache (def 3).
- caesaropapism — the theory that the state should have authority over the church in ecclesiastical matters; Erastianism
- caesium clock — a type of atomic clock that uses the frequency of radiation absorbed in changing the spin of electrons in caesium atoms
- calcariferous — having a spur or spurs
- calf's tongue — a molding having pendent, tonguelike members in relief against a flat or molded surface.
- camerapersons — Plural form of cameraperson.
- camphoraceous — similar to camphor
- camping stove — a portable stove powered by butane gas canisters, designed to be used for cooking while camping