10-letter words containing a, r, b, e, l
- bell crank — a lever with two arms having a common fulcrum at their junction
- bellarmine — Saint Robert. 1542–1621, Italian Jesuit theologian and cardinal; an important influence during the Counter-Reformation
- bellhanger — a person who mounts bells
- bellyboard — a small surfboard, usually 3–4 feet (0.9–1.2 meters) long, for riding waves on one's belly, sometimes used in conjunction with swim fins.
- belorussia — historical region in central Europe corresponding to present-day Belarus
- belshazzar — 6th century bc, the son of Nabonidus, coregent of Babylon with his father for eight years: referred to as king and son of Nebuchadnezzar in the Old Testament (Daniel 5:1, 17; 8:1); described as having received a divine message of doom written on a wall at a banquet (Belshazzar's Feast)
- berkeleian — denoting or relating to the philosophy of George Berkeley
- bes antler — bay antler.
- bestraddle — to sit with one's legs either side of something
- betrothals — the act or state of being betrothed; engagement.
- bevel gear — a gear having teeth cut into a conical surface known as the pitch zone. Two such gears mesh together to transmit power between two shafts at an angle to each other
- bez antler — bay antler
- big laurel — the rhododendron.
- biliterate — able to read and write in two languages.
- billbergia — any bromeliad of the tropical American genus Billbergia, having stiff leaves and flowers with showy, variously colored bracts.
- bimaternal — having the genetic material of two mothers but no father
- bimestrial — lasting for two months
- biparental — from two parents
- biparietal — relating to or connected to both parietal bones
- bipolarize — to make bipolar
- bird table — A bird table is a small wooden platform on a pole which some people put in their garden in order to put food for the birds on it.
- birthplace — Your birthplace is the place where you were born.
- bit player — a person with a very small acting role with few lines to speak
- blabbering — to reveal indiscreetly and thoughtlessly: They blabbed my confidences to everyone.
- black bear — the common North American bear (Ursus americanus) that lives in forests and feeds mainly on roots and berries
- black tern — a small tern with a black head and body, Chlidonias niger, found on all continents except Australasia
- blackbeard — nickname of (Edward) Teach
- blackberry — A blackberry is a small, soft black or dark purple fruit.
- blackheart — an abnormal darkening of the woody stems of some plants, thought to be caused by extreme cold
- blackwater — a stream stained dark with peat
- bladdernut — any temperate shrub or small tree of the genus Staphylea, esp S. pinnata of S Europe, that has bladder-like seed pods: family Staphyleaceae
- bladderpod — any of several plants belonging to the genera Alyssoides and Lesquerella, of the mustard family, having inflated seed pods.
- blamestorm — (of colleagues in a business, government, etc) to meet in order to apportion blame for an error or failure
- blandisher — someone who blandishes
- blasphemer — to speak impiously or irreverently of (God or sacred things).
- blastoderm — the layer of cells that surrounds the blastocoel of a blastula
- blastomere — any of the cells formed by cleavage of a fertilized egg
- blastopore — the opening of the archenteron in the gastrula that develops into the anus of some animals
- blathering — foolish, voluble talk: His speech was full of the most amazing blather.
- blepharism — spasm of the eyelids, causing rapid involuntary blinking
- bloggerati — those considered to be important or influential in the world of blogging
- blogstream — the publication on the internet of content from weblogs rather than from mainstream media sources
- blue alert — (in military or civilian defense) an alert following the first, or yellow, alert, in which air attack seems probable.
- blue coral — any coral of the genus Heliopora, having brown polyps and a blue skeleton, found in the Indo-Pacific region.
- blue crane — the great blue heron.
- blue grama — any grass of the genus Bouteloua, of South America and western North America, as B. gracilis (blue grama)
- blue racer — a long slender blackish-blue fast-moving colubrid snake, Coluber constrictor flaviventris, of the US
- blue shark — a shark of the species Prionace glauca, found in temperate and tropical waters
- blue-water — designed to operate on and range over the open sea; oceangoing: a bluewater navy that can be dispatched throughout the world, far from its home base.
- bluebreast — any of several birds with blue plumage around the throat