10-letter words containing e, a, r, l, o
- bardolater — someone who practises bardolatry
- bargepoles — Plural form of bargepole.
- barleycorn — a grain of barley, or barley itself
- barred owl — a large, North American owl (Strix varia) with bars of brown feathers across the breast
- battledore — an ancient racket game
- be all for — to be strongly in favour of
- behavioral — Behavioral means relating to the behavior of a person or animal, or to the study of their behavior.
- 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
- betrothals — the act or state of being betrothed; engagement.
- bipolarize — to make bipolar
- 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
- 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
- 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 coral — any coral of the genus Heliopora, having brown polyps and a blue skeleton, found in the Indo-Pacific region.
- bluethroat — a small brownish European songbird, Cyanosylvia svecica, related to the thrushes, the male of which has a blue throat: family Muscicapidae
- board rule — a measuring device for estimating the number of board feet in a quantity of wood
- bohmerwald — German name of Bohemian Forest.
- bootloader — a bootstrap loader
- bordelaise — denoting a brown sauce flavoured with red wine and sometimes mushrooms
- borderland — The borderland between two things is an area which contains features from both of these things so that it is not possible to say that it belongs to one or the other.
- borrowable — to take or obtain with the promise to return the same or an equivalent: Our neighbor borrowed my lawn mower.
- bowler hat — A bowler hat is a round, hard, black hat with a narrow brim which is worn by men, especially British businessmen. Bowler hats are no longer very common.
- bread mold — any of an order (Mucorales, esp. Rhizopus nigricans) of fungi often found on decaying vegetable matter or bread
- bread roll — a small piece of bread dough made into a circular shape and baked
- breastplow — a cultivator moved forward by a person pressing the chest against a crossbar.
- broad seal — the official seal of a nation and its government
- broadscale — on a broad scale; extensive; spread over a wide area
- brocatelle — a heavy brocade with the design in deep relief, used chiefly in upholstery
- bullroarer — a wooden slat attached to a thong that makes a roaring sound when the thong is whirled: used esp by native Australians in religious rites
- cabriolets — Plural form of cabriolet.
- cake flour — finely ground wheat flour.
- calcareous — of, containing, or resembling calcium carbonate; chalky
- calceiform — shaped like a shoe or slipper
- calciferol — a fat-soluble steroid, found esp in fish-liver oils, produced by the action of ultraviolet radiation on ergosterol. It increases the absorption of calcium from the intestine and is used in the treatment of rickets. Formula: C28H43OH
- calefactor — a heater
- calorifier — a water tank fitted with a coil, or coils, that can be heated in order to heat the water
- camelopard — giraffe
- camerlengo — a cardinal who acts as the pope's financial secretary and the papal treasurer
- camoufleur — a person who camouflages military equipment
- cape coral — city in SW Fla.: pop. 102,000
- capreolate — possessing or resembling tendrils
- carbolated — containing carbolic acid
- carbolised — phenolate (def 2).
- carbolized — Simple past tense and past participle of carbolize.
- carbondale — a city in SW Illinois.