12-letter words containing o, s, n, a
- cash economy — an economic system, or part of one, in which financial transactions are carried out in cash rather than via direct debit, standing order, bank transfer, or credit card
- cash journal — cashbook.
- cassel brown — Vandyke brown.
- castellation — Architecture. built like a castle, especially with turrets and battlements.
- castigations — Plural form of castigation.
- casting vote — When a committee has given an equal number of votes for and against a proposal, the chairperson can give a casting vote. This vote decides whether or not the proposal will be passed.
- catch points — railway points designed to derail a train running back in the wrong direction to prevent collision with a following train
- categorising — to arrange in categories or classes; classify.
- cater-cousin — a close friend
- cattleperson — Someone who works with, or rears cattle.
- causationism — the theory of universal causation
- causationist — a person who believes in the theory of universal causation
- cautiousness — showing, using, or characterized by caution: a cautious man; To be cautious is often to show wisdom.
- celebrations — Plural form of celebration.
- centerboards — Plural form of centerboard.
- centimorgans — Plural form of centimorgan.
- ceratopsians — Plural form of ceratopsian.
- cerebrations — Plural form of cerebration.
- cessationism — The concept, amongst most Christians, that the works of the Holy Spirit (speaking in tongues, prophecy, healing, and miracles) ceased at some point in history.
- cessationist — One who subscribes to cessationism.
- chaetognaths — Plural form of chaetognath.
- chain smoker — person: smokes heavily
- chain-smoker — A chain-smoker is a person who chain-smokes.
- chairpersons — Plural form of chairperson.
- championship — A championship is a competition to find the best player or team in a particular sport.
- charnelhouse — Alternative form of charnel house.
- chestnut oak — any of several North American oaks, as Quercus prinus, having serrate or dentate leaves resembling those of the chestnut.
- chicharrones — A Hispanic dish; made of fried pork rinds.
- china closet — a cabinet or cupboard for storing or exhibiting chinaware.
- chiropterans — Plural form of chiropteran.
- chondroblast — a type of cell that develops into a chondrocyte or cartilage cell
- chondrostian — relating to the class Chondrostei of fish with fin rays
- christophany — an appearance or emergence of Christ following his crucifixion
- chronographs — Plural form of chronograph.
- chrysophanol — (organic compound) A chemical compound found in rhubarb.
- circulations — Plural form of circulation.
- civilisation — Alternative spelling of civilization.
- cladogenesis — adaptive evolution leading to a greater variety of species
- clairvoyants — Plural form of clairvoyant.
- clams casino — broiled clams topped with garlic butter, bacon, bread crumbs, etc. and served in their bottom shells
- clangorously — In a clangorous manner; ringingly.
- clap eyes on — to catch sight of
- class action — A class action is a legal case brought by a group of people rather than an individual.
- classloading — (computing, Java) The dynamic loading of classes into a virtual machine, as performed by a classloader.
- claustration — the act of confining to a small space (usually a cloister)
- clonic spasm — Pathology. a sudden, abnormal, involuntary muscular contraction, consisting of a continued muscular contraction (tonic spasm) or of a series of alternating muscular contractions and relaxations (clonic spasm)
- close season — In football and some other sports, the close season is the period of the year when the sport is not played professionally.
- close-shaven — (of hair) cut very short
- closed chain — any structural arrangement, used in the models and formulas of molecules, consisting of a chain of atoms that forms a closed geometric figure; ring
- closegrained — having a fine, compact grain or texture