12-letter words containing a, c, l, o, s
- calycoideous — calycoid
- camelopardus — a faint extensive constellation in the N hemisphere close to Ursa Major and Cassiopeia
- caméra stylo — the use of the camera as a means of personal expression, esp as practised by some directors of the New Wave
- canalisation — The conversion of a river or other waterway to a canal.
- canoe slalom — a competitive event in which a canoeist maneuvers through a slalom course, usually in white water.
- canonicalise — (transitive, computing, UK) Alternative form of canonicalize.
- capillaceous — having numerous filaments resembling hairs or threads
- capital cost — a cost incurred on the purchase of land, buildings, construction and equipment to be used in the production of goods or the rendering of services
- capital loss — A capital loss is a loss on investment property.
- 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 steel — steel whose characteristics are determined by the amount of carbon it contains
- cardiologist — A cardiologist is a doctor who specializes in the heart and its diseases.
- carisoprodol — a crystalline, water-soluble powder, C 12 H 24 N 2 O 4 , used as a muscle relaxant.
- carol stream — a town in NE Illinois.
- cartoonishly — in a cartoonish manner
- cash journal — cashbook.
- cassel brown — Vandyke brown.
- castellation — Architecture. built like a castle, especially with turrets and battlements.
- castile soap — a hard soap made from olive oil and sodium hydroxide
- catastrophal — (rare) Catastrophic.
- cattleperson — Someone who works with, or rears cattle.
- cauliflowers — Plural form of cauliflower.
- cavaco silva — Aníbal (aˈnibal). born 1939, Portuguese statesman; prime minister (1985–95); president (2006–16)
- cedrelaceous — resembling or having the characteristics of a citron fruit
- celebrations — Plural form of celebration.
- ceroplastics — the art of wax modelling
- charlesbourg — city in S Quebec, Canada: pop. 71,000
- charm school — a school teaching manners and social skills
- charnelhouse — Alternative form of charnel house.
- chaulmoogras — Plural form of chaulmoogra.
- cheiloplasty — plastic surgery of the lip.
- china closet — a cabinet or cupboard for storing or exhibiting chinaware.
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chloroplasts — Plural form of chloroplast.
- chocolatiers — Plural form of chocolatier.
- chondroblast — a type of cell that develops into a chondrocyte or cartilage cell
- 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
- chromoplasts — Plural form of chromoplast.
- chrysophanol — (organic compound) A chemical compound found in rhubarb.
- chylocaulous — having fleshy stems.
- circulations — Plural form of circulation.
- civilisation — Alternative spelling of civilization.
- cladocarpous — pleurocarpous.
- cladogenesis — adaptive evolution leading to a greater variety of species
- cladosporium — any of the species of fungi in the genus Cladosporium
- claims ratio — The claims ratio is the percentage of claims costs incurred in relation to the premiums earned.
- clairvoyants — Plural form of clairvoyant.
- clamourously — Archaic spelling of clamorously.
- clams casino — broiled clams topped with garlic butter, bacon, bread crumbs, etc. and served in their bottom shells
- clangorously — In a clangorous manner; ringingly.