12-letter words containing a, u, r, l, o
- barratrously — In a barratrous manner.
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- battleground — A battleground is the same as a battlefield.
- beer parlour — a room in a tavern, hotel, etc in which beer is served
- benzal group — the bivalent group C 7 H 6 –, derived from benzaldehyde.
- binocularity — binocular characteristics
- biomolecular — relating to a biomolecule
- blabbermouth — a person who talks too much or indiscreetly
- black grouse — a large N European grouse, Lyrurus tetrix, the male of which has a bluish-black plumage and lyre-shaped tail
- black liquor — (in making wood pulp for paper) the liquor that remains after digestion.
- borough hall — a building housing the administrative offices of a borough.
- 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
- boulevardier — (originally in Paris) a fashionable man, esp one who frequents public places
- breastplough — a plough driven by the worker's breast, often used to pare turf
- buffalo bird — a cowbird, Molothrus ater, of North America.
- buffalo robe — a carriage robe or rug made of the skin of the bison, dressed with the hair on
- buffaloberry — any shrub of the genus Shepherdia native to North America
- bullock cart — a cart pulled by one or two bullocks
- bur marigold — any plant of the genus Bidens that has yellow flowers and pointed fruits that cling to fur and clothing: family Asteraceae (composites)
- burglarproof — safeguarded or secure against burglary.
- burial mound — a barrow
- burnt almond — a sweet consisting of an almond enclosed in burnt sugar
- 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.
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- cadaverously — In a cadaverous manner.
- calcareously — in a calcareous manner
- calumniators — Plural form of calumniator.
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- capitulatory — the act of capitulating.
- capriciously — subject to, led by, or indicative of a sudden, odd notion or unpredictable change; erratic: He's such a capricious boss I never know how he'll react.
- carbon value — an empirical measurement of the tendency of a lubricant to form carbon when in use
- carillonneur — a person who plays a carillon
- cash journal — cashbook.
- cauliflowers — Plural form of cauliflower.
- cedrelaceous — resembling or having the characteristics of a citron fruit
- charlesbourg — city in S Quebec, Canada: pop. 71,000
- charnelhouse — Alternative form of charnel house.
- chaulmoogras — Plural form of chaulmoogra.
- child labour — the full-time employment of children below a minimum age laid down by statute
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chlorambucil — an alkylating drug derived from nitrogen mustard, administered orally in the treatment of leukaemia and other malignant diseases. Formula: C14H19Cl2NO2
- chorus pedal — an electronic device that creates the effect of more than one sound from a single source by combining a short delay with slight deviations in pitch
- circulations — Plural form of circulation.
- circumboreal — of or having to do with plants and animals inhabiting boreal regions of North America and Eurasia
- circumocular — surrounding the eye.
- cladocarpous — pleurocarpous.
- cladosporium — any of the species of fungi in the genus Cladosporium
- clamourously — Archaic spelling of clamorously.