12-letter words containing y, a, l, o
- binary color — secondary color.
- binocularity — binocular characteristics
- biologically — pertaining to biology.
- black bryony — a climbing herbaceous Eurasian plant, Tamus communis, having small greenish flowers and poisonous red berries: family Dioscoreaceae
- black canyon — a canyon of the Colorado River between Arizona and Nevada: site of Boulder Dam.
- black comedy — a comedy dealing with an unpleasant situation in a pessimistic or macabre manner
- blastomycete — any of a genus (Blastomyces) of yeastlike imperfect fungi that cause diseases in people and animals
- bombay hills — a row of hills marking the southern boundary of greater Auckland on the North Island, New Zealand
- bonnyclabber — clotted or curdled milk
- bootleg play — a play in which the quarterback pretends to hand the ball to a teammate, hides it by placing it next to his hip, and runs with it.
- bothy ballad — a folk song, esp one from the farming community of NE Scotland
- bottle party — a party to which guests bring drink
- boulder clay — an unstratified glacial deposit consisting of fine clay, boulders, and pebbles
- boyoma falls — a series of seven cataracts in the NE Democratic Republic of Congo, on the upper River Congo: forms an unnavigable stretch of 90 km (56 miles), which falls 60 m (200 ft)
- buffaloberry — any shrub of the genus Shepherdia native to North America
- by wholesale — at wholesale
- byelorussian — Byelorussian means belonging or relating to Byelorussia or to its people or culture.
- cadaverously — In a cadaverous manner.
- calamitously — In a calamitous manner.
- calcareously — in a calcareous manner
- caliginosity — darkness
- call of duty — responsibilities
- calumniatory — of, involving, or using calumny; slanderous; defamatory.
- calumniously — in a calumnious manner
- calycoideous — calycoid
- caméra stylo — the use of the camera as a means of personal expression, esp as practised by some directors of the New Wave
- cantillatory — involving chanting or incantation
- 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 cycle — the circulation of carbon between living organisms and their surroundings. Carbon dioxide from the atmosphere is synthesized by plants into plant tissue, which is ingested and metabolized by animals and converted to carbon dioxide again during respiration and decay
- carboxylated — Simple past tense and past participle of carboxylate.
- cardiomegaly — abnormal enlargement of the heart.
- carnot cycle — an idealized reversible heat-engine cycle giving maximum efficiency and consisting of an isothermal expansion, an adiabatic expansion, an isothermal compression, and an adiabatic compression back to the initial state
- carolina bay — any of the shallow, usually marshy, oval depressions found in the coastal plains of the eastern U.S. that are heavily forested and have rich soil.
- cartoonishly — in a cartoonish manner
- categorially — in a manner relating to or involving categories
- cathodically — in a cathodic manner, by using a cathode
- cationically — in a cationic manner
- cavity block — a precast concrete block that contains a cavity or cavities
- cephalometry — measurement of the dimensions of the human head by radiography: used mainly in orthodontics
- ceremonially — of, relating to, or characterized by ceremony; formal; ritual: a ceremonial occasion.
- chalcography — the art of engraving on copper or brass
- chalcopyrite — a widely distributed yellow mineral consisting of a sulphide of copper and iron in tetragonal crystalline form: the principal ore of copper. Formula: CuFeS2
- chartophylax — an official who serves chiefly as the chancellor and archivist of a diocese.
- cheiloplasty — plastic surgery of the lip.
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chlorenchyma — plant tissue consisting of parenchyma cells that contain chlorophyll
- cholerically — In a choleric manner.
- chromatology — chromatics.
- chrysophanol — (organic compound) A chemical compound found in rhubarb.