12-letter words containing l, o, r, e
- bitter melon — balsam pear.
- blabbermouth — a person who talks too much or indiscreetly
- black copper — a regulus of 95-percent-pure copper, produced in a blast furnace by smelting oxidized copper ores.
- black forest — wooded mountain region in SW Germany
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black heroin — a very potent and addictive form of heroin that is dark-colored.
- black powder — gunpowder as used in sports involving modern muzzleloading firearms
- black scoter — a scoter of Eurasia and North America, Melanitta nigra, the adult male of which is black.
- bladder worm — an encysted saclike larva of the tapeworm. The main types are cysticercus, hydatid, and coenurus
- blanket roll — a blanket or sleeping bag rolled into a cylindrical pack for easy carrying and outdoor use by hikers, soldiers, cowboys, etc., often with cooking utensils, food, and personal articles carried inside.
- blastosphere — blastula
- blaze orange — a very bright orange, as on a traffic cone.
- blennorrhoea — an excessive discharge of watery mucus, esp from the urethra or the vagina
- bletheration — nonsense!
- blind corner — a corner where the view of the road ahead is completely obscured or very restricted
- blind roller — a long ocean swell that rises almost to breaking as it passes over shoals.
- block heater — an electrically operated immersion heater fitted either to enter the water hose or the water jacket surrounding the cylinder block of a motor to warm the coolant in cold weather.
- block letter — a plain capital letter
- blood orange — a variety of orange all or part of the pulp of which is dark red when ripe
- blood sister — a sister by birth
- bloodcurdler — something causing great fright or horror: a bloodcurdler of a mystery novel.
- blue norther — a cold north wind that brings rapidly falling temperatures.
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- blue succory — a composite garden plant, Catananche caerulea, of southern Europe, having very hairy leaves and blue flower heads, used by the ancients as a love potion.
- blue vitriol — the fully hydrated blue crystalline form of copper sulphate
- body bolster — the lower transverse member of a car body to which the body center plate is attached.
- bogon filter — /boh'gon fil'tr/ Any device, software or hardware, that limits or suppresses the flow and/or emission of bogons. "Engineering hacked a bogon filter between the Cray and the VAXen, and now we're getting fewer dropped packets." See also bogosity.
- boiled shirt — a dress shirt with a stiff front
- boiler house — a building housing a boiler
- boilermaking — metal-working in heavy industry; plating or welding
- boisterously — rough and noisy; noisily jolly or rowdy; clamorous; unrestrained: the sound of boisterous laughter.
- bomb shelter — a shelter, usually underground, in which people take refuge from bomb attacks
- bomber pilot — the pilot of a bomber
- bonnyclabber — clotted or curdled milk
- boolean ring — a nonempty collection of sets having the properties that the union of two sets of the collection is a set in the collection and that the relative complement of each set with respect to any other set is in the collection.
- border light — a striplight hung upstage of a border, for lighting the stage.
- borosilicate — a salt of boric and silicic acids
- borscht belt — (sometimes initial capital letters) the hotels of the predominantly Jewish resort area in the Catskill Mountains, many of them offering nightclub or cabaret entertainment.
- bottle gourd — an Old World cucurbitaceous climbing plant, Lagenaria siceraria, having large hard-shelled gourds as fruits
- bottle green — a deep green.
- bottle party — a party to which guests bring drink
- bottle-green — Something that is bottle-green is dark green in colour.
- bottled beer — beer in a bottle, rather than from a barrel
- bottlewasher — a person or machine that washes bottles.
- bottom-liner — a person, as an executive, accountant, or stockholder, who puts the net profits of a business ahead of all other considerations.
- boucherville — a town in S Quebec, in E Canada, near Montreal, on the St. Lawrence.
- boulangerite — a bluish lead-gray mineral, lead antimony sulfide, Pb 5 Sb 4 S 11 , a minor ore of lead.
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- bouleuterion — a council chamber in ancient Greece.
- boulevardier — (originally in Paris) a fashionable man, esp one who frequents public places