13-letter words containing a, b, o, r
- catcher's box — box1 (def 16d).
- categorisable — Alternative spelling of categorizable.
- categorizable — Capable of being categorized.
- cerebrospinal — of or relating to the brain and spinal cord
- chamber opera — an opera requiring few performers and a small orchestra.
- chamber organ — a small compact organ used esp for the authentic performance of preclassical music
- charles abbot — Charles Greeley, 1872–1973, U.S. astrophysicist.
- chocolate bar — a block of chocolate
- christmas box — a tip or present given at Christmas, esp to postmen, tradesmen, etc
- cinchona bark — the dried bark of any of a cinchona tree, which yields quinine and other medicinal alkaloids
- cinnamon bear — a reddish-brown variety of the American black bear
- circuit board — A circuit board is the same as a printed circuit board.
- circumorbital — (anatomy) Around the eye.
- clair-obscure — chiaroscuro.
- clapperboards — Plural form of clapperboard.
- clare-obscure — chiaroscuro.
- claustrophobe — a person who suffers from claustrophobia.
- cloud chamber — an apparatus for detecting high-energy particles by observing their tracks through a chamber containing a supersaturated vapour. Each particle ionizes molecules along its path and small droplets condense on them to produce a visible track
- coachbuilders — Plural form of coachbuilder.
- coaster brake — a brake on a bicycle that engages when the pedals are turned in reverse
- cobaltiferous — containing cobalt
- cobbler's wax — a resin used for waxing thread
- cocarboxylase — thiamine pyrophosphate
- cockney bream — a young snapper fish
- collaborating — to work, one with another; cooperate, as on a literary work: They collaborated on a novel.
- collaboration — Collaboration is the act of working together to produce a piece of work, especially a book or some research.
- collaborative — A collaborative piece of work is done by two or more people or groups working together.
- collaborators — to work, one with another; cooperate, as on a literary work: They collaborated on a novel.
- collar button — the button used to fasten the collar down on a garment
- colomb-bechar — former name of Béchar.
- colorado ruby — a fire-red form of garnet found in Colorado and other parts of North America
- combat troops — troops who are engaged in fighting
- combinatorial — of or involving combination, esp. mathematical combination
- combinatorics — a branch of mathematics dealing with combinations and permutations
- comfortablest — Superlative form of comfortable.
- commeasurable — having the same measure or extent; commensurate.
- commensurable — having a common factor
- commensurably — In a commensurable manner; so as to be commensurable.
- comparability — capable of being compared; having features in common with something else to permit or suggest comparison: He considered the Roman and British empires to be comparable.
- compromisable — Capable of being compromised.
- concelebrates — Third-person singular simple present indicative form of concelebrate.
- confabulatory — the act of confabulating; conversation; discussion.
- congratulable — worthy of congratulation
- conjecturable — Able to be conjectured upon.
- constrainable — able to be constrained
- contrabandism — the practice of trading contraband goods
- contrabandist — a person who trades in contraband goods; smuggler
- contrabassist — Someone who plays the contrabass.
- contrabassoon — the largest instrument in the oboe family, pitched an octave below the bassoon; double bassoon
- contract bond — an indemnity agreement to protect against loss due to breach of contract.