12-letter words containing l, s, i
- blue swimmer — an edible bluish Australian swimming crab, Portunus pelagicus
- blue thistle — blueweed (def 1).
- blue-singlet — working-class
- blue-thistle — Also called blue thistle. a bristly weed, Echium vulgare, of the borage family, having showy blue flowers, a native of Europe naturalized in the U.S.
- blues guitar — blues guitar music
- bluesnarfing — the practice of using one Bluetooth-enabled mobile phone to steal contact details, ring tones, images, etc from another
- bluestocking — A bluestocking is an intellectual woman.
- boardsailing — windsurfing
- body english — a follow-through motion of the body, as after bowling a ball, in a semi-involuntary or joking effort to control the ball's movement
- boiled shirt — a dress shirt with a stiff front
- boiled sweet — Boiled sweets are hard sweets that are made from boiled sugar.
- boiler house — a building housing a boiler
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bolshevikism — the doctrines, methods, or procedure of the Bolsheviks.
- bolshevistic — of, relating to, or characteristic of Bolshevists or Bolshevism.
- bombay hills — a row of hills marking the southern boundary of greater Auckland on the North Island, New Zealand
- bootylicious — sexually attractive, esp with curvaceous buttocks
- borosilicate — a salt of boric and silicic acids
- breast drill — a geared drill that can be braced against the chest for additional leverage.
- breed's hill — a hill in E Massachusetts, adjoining Bunker Hill: the true site of the Battle of Bunker Hill (1775)
- bridal suite — a room or set of rooms in a hotel for newly married couples
- brinell test — a test for determining the relative hardness (Brinell hardness) of a metal by measuring the diameter of the indentation made when a hardened steel ball is forced into the metal under a given pressure: the measure of hardness (Brinell number) is equal to the load in kilograms divided by the surface area in square millimeters of the indentation
- brise-soleil — a structure used in hot climates to protect a window from the sun, usually consisting of horizontal or vertical strips of wood, concrete, etc
- bristlemouth — any of several small, deep-sea fishes of the family Gonostomatidae, having numerous sharp, slender teeth covering the jaws.
- british list — a list, maintained by the British Ornithologists' Union, of birds accepted as occurring at least once in the British Isles
- british rail — the organization that ran the British railway system from 1948 until privatization in the mid-1990s
- brittle star — any echinoderm of the class Ophiuroidea, having the body composed of a central, rounded disk from which radiate long, slender, fragile arms.
- brittle-star — any echinoderm of the class Ophiuroidea, occurring on the sea bottom and having five long slender arms radiating from a small central disc
- brunelleschi — Filippo (fiˈlippo). 1377–1446, Italian architect, whose works in Florence include the dome of the cathedral, the Pazzi chapel of Santa Croce, and the church of San Lorenzo
- brushability — the quality of being brushable
- buffalo fish — any of a genus (Ictiobus) of large, humpbacked, freshwater sucker fishes found in North America
- bull mastiff — a large powerful breed of dog with a short usually fawn or brindle coat, developed by crossing the bulldog with the mastiff
- bull session — A bull session is an informal conversation among a small group of people.
- bull thistle — a tall, spiny thistle, Cirsium vulgare, having heads of pink to purple flowers: a common weed in North America.
- 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.
- bush singlet — a black woollen singlet often worn by farm labourers
- bushy-tailed — bright-eyed and bushy-tailed, fresh, alert, eager, and lively
- businesslike — If you describe someone as businesslike, you mean that they deal with things in an efficient way without wasting time.
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- c'est la vie — that's life
- cabalistical — cabalistic
- cable stitch — a pattern or series of knitting stitches producing a design like a twisted rope
- cable-stitch — a series of stitches used in knitting to produce a cable effect.
- cablecasting — relating to broadcasting by cable
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- caesalpinoid — of, relating to, or belonging to the Caesalpinoideae, a mainly tropical subfamily of leguminous plants that have irregular flowers: includes carob, senna, brazil, cassia, and poinciana
- calamitously — In a calamitous manner.
- calculations — Plural form of calculation.
- calibrations — Plural form of calibration.
- caliginosity — darkness