12-letter words containing c, o, b, s, a
- book matches — safety matches made of paper and fastened into a small cardboard folder
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- borosilicate — a salt of boric and silicic acids
- bounce flash — a flash lamp designed to produce a bounced flash.
- box lacrosse — a form of lacrosse played indoors, usually on a hockey rink with a wooden floor, between two teams of six players.
- brachycerous — (of insects) having short antennae
- braggadocios — empty boasting; bragging.
- brass-collar — unwaveringly faithful to a political party; voting the straight ticket: a brass-collar Democrat.
- broadcasting — Broadcasting is the making and sending out of television and radio programmes.
- broca's area — the region of the cerebral cortex of the brain concerned with speech; the speech centre
- bronchospasm — an abnormal contraction of the bronchi resulting in restriction of the airway
- bunco artist — a confidence trickster or con artist
- burseraceous — of, relating to, or belonging to the Burseraceae, a tropical family of trees and shrubs having compound leaves and resin or balsam in their stems. The family includes bdellium and some balsams
- cabbage rose — a rose, Rosa centifolia, with a round compact full-petalled head
- cabora bassa — the site on the Zambezi River in N Mozambique of the largest dam in southern Africa
- cabot strait — a channel in Canada, connecting the Gulf of St. Lawrence with the Atlantic Ocean. 68 miles (109 km) wide.
- cactoblastis — a moth, Cactoblastis cactorum of South America, that was introduced into Australia to act as a biological control on the prickly pear
- calibrations — Plural form of calibration.
- camp bastion — a large British military base in Helmand province, Afghanistan, built in 2006
- cannabinoids — Plural form of cannabinoid.
- carbocations — Plural form of carbocation.
- carbohydrase — a digestive enzyme that breaks down carbohydrates through hydrolysis
- carbon brush — a small block of carbon used to convey current between the stationary and moving parts of an electric generator, motor, etc
- carbon steel — steel whose characteristics are determined by the amount of carbon it contains
- carbonaceous — of, resembling, or containing carbon
- carbonatites — Plural form of carbonatite.
- cassel brown — Vandyke brown.
- celebrations — Plural form of celebration.
- centerboards — Plural form of centerboard.
- cerebrations — Plural form of cerebration.
- charlesbourg — city in S Quebec, Canada: pop. 71,000
- chatterboxes — Plural form of chatterbox.
- cheese board — A cheese board is a board from which cheese is served at a meal.
- cheeseboards — Plural form of cheeseboard.
- chondroblast — a type of cell that develops into a chondrocyte or cartilage cell
- class object — (programming) In object-oriented programming, an object of class "class" that represents a class at run time. The existence of class objects allows introspection - the ability for a program to discover and modify attributes of its own code. (See self-modifying code). A class object may also be used for "housekeeping" tasks like keeping count of how many objects of the class have been created, though this may also be done by some kind of collection object. A class method is a method that operates on class objects.
- close combat — the act of fighting at close quarters
- cocaine bust — an arrest for the possession of cocaine
- coffee beans — the beanlike seeds of the coffee tree, which are roasted and ground to make coffee
- colacobiosis — (among social insects) life in which one species lives as a parasite in the community of another species.
- collaborates — Third-person singular simple present indicative form of collaborate.
- collectables — capable of being collected.
- collembolans — Plural form of collembolan.
- columbus day — Oct 12, a legal holiday in most states of the US: the date of Columbus' landing in the West Indies (Caribbean) in 1492
- combat pants — trousers: military style
- combinations — a one-piece woollen undergarment with long sleeves and legs
- comfortables — Plural form of comfortable.
- commiserable — worthy of commiseration; pitiable
- connubialism — the state of being married
- conscionable — acceptable to one's conscience