11-letter words containing s, a, c, t, o
- chansonette — a little song
- chaoticness — The state or quality of being chaotic.
- charioteers — Plural form of charioteer.
- charlestown — oldest part of Boston, at the mouth of the Charles River: site of the battle of Bunker Hill
- chart house — a room or deckhouse for storing and working with charts, navigational instruments, etc.
- chartaceous — of the nature of paper; papery
- chatterbots — Plural form of chatterbot.
- chemiotaxis — Dated form of chemotaxis.
- chevrotains — Plural form of chevrotain.
- chiastolite — a variety of andalusite containing carbon impurities
- chiloplasty — cheiloplasty.
- china stone — a type of kaolinized granitic rock containing unaltered plagioclase
- chlorinates — Third-person singular simple present indicative form of chlorinate.
- chloroplast — a plastid containing chlorophyll and other pigments, occurring in plants and algae that carry out photosynthesis
- choanocytes — Plural form of choanocyte.
- choirmaster — A choirmaster is a person whose job is to train a choir.
- choirstalls — fixed seats in the choir of a church, generally of carved wood
- cholangitis — (medicine) An inflammation of the bile duct.
- cholestasis — the medical condition characterized by the inability of bile to pass normally out of the liver due to blockage or impairment
- cholestatic — of or relating to cholestasis
- chou pastry — cream puff paste.
- chrismation — a rite of initiation involving anointing with chrism and taking place at the same time as baptism
- chrismatory — a small receptacle containing the three kinds of consecrated oil used in the sacraments
- christogram — a symbol of Christ, especially the Chi-Rho.
- chromoplast — a coloured plastid in a plant cell, esp one containing carotenoids
- cigar store — a retail store specializing in tobacco products, as cigars and cigarettes.
- circulators — Plural form of circulator.
- cirrostrati — Plural form of cirrostratus.
- cladanthous — pleurocarpous.
- cladoptosis — the annual shedding of twigs or branches instead of leaves, as in certain cypresses.
- cleistocarp — cleistothecium.
- cleistogamy — self-pollination and fertilization of an unopened flower, as in the flowers of the violet produced in summer
- clostridial — any of several rod-shaped, spore-forming, anaerobic bacteria of the genus Clostridium, found in soil and in the intestinal tract of humans and animals.
- cnidoblasts — the cell within which a nematocyst is developed.
- coacervates — Plural form of coacervate.
- coade stone — a ceramic imitation of carved stonework popular in England around 1800.
- coadjutants — Plural form of coadjutant.
- coal strike — a cessation of work by coal miners as a protest against working conditions or low pay
- coast guard — The coast guard is a part of a country's military forces and is responsible for protecting the coast, carrying out rescues, and doing police work along the coast.
- coast pilot — Also called pilot. a manual published by a government for mariners, containing descriptions of coastal waters, harbor facilities, etc., for a specific area.
- coast range — a series of mountain ranges along the Pacific coast of North America, extending from Baja California to SE Alaska.
- coasteering — the sport of following a coastline by swimming, climbing, diving, and walking while wearing a wetsuit, a life jacket, and a helmet
- coatdresses — Plural form of coatdress.
- coatesville — a city in SE Pennsylvania.
- cock-teaser — a woman who acts flirtatiously and appears to be sexually available, but does not engage in sexual activity
- cockatrices — Plural form of cockatrice.
- cockleboats — Plural form of cockleboat.
- cocos plate — a tectonic division of the earth's crust, coincident with the oceanic Guatemala Basin, and bounded on the north and east by the Central American Trench, on the west by the East Pacific Rise, and on the south by the Nazca Plate.
- coelacanths — Plural form of coelacanth.
- coessential — being one in essence or nature: a term applied to the three persons of the Trinity