12-letter words containing c, r, o, s
- chord symbol — any of a series of letters and numerals, used as a shorthand indication of chords, esp in jazz, folk, or pop music
- chordophones — Plural form of chordophone.
- choreographs — Third-person singular simple present indicative form of choreograph.
- choreologist — a person who is expert in choreology
- 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
- chorusmaster — the conductor of a choir
- choux pastry — a very light pastry made with eggs, used for eclairs, etc
- chowderheads — Plural form of chowderhead.
- chrestomathy — a collection of literary passages, used in the study of language
- christophany — an appearance or emergence of Christ following his crucifixion
- christophene — chayote.
- chromaticism — the use of chromatic tones.
- chromatopsia — an irregularity in the ability to see colours properly
- chrome steel — any of various hard rust-resistant steels containing chromium
- chromidrosis — the secretion of pigmented sweat.
- chromiferous — Containing, or yielding chromium.
- chromophores — Plural form of chromophore.
- chromoplasts — Plural form of chromoplast.
- chromosphere — a gaseous layer of the sun's atmosphere extending from the photosphere to the corona and visible during a total eclipse of the sun
- chronographs — Plural form of chronograph.
- chronologies — Plural form of chronology.
- chronologise — Alternative spelling of chronologize.
- chronologist — a person versed in chronology.
- chronometers — Plural form of chronometer.
- chronoscopes — Plural form of chronoscope.
- chronosystem — A pattern of events and transitions over the course of a person's life.
- chrysography — the art of writing in ink made of powdered gold suspended in a small amount of glair or gum.
- chrysomelids — Plural form of chrysomelid.
- chrysophanol — (organic compound) A chemical compound found in rhubarb.
- chrysophytes — Plural form of chrysophyte.
- churchperson — A person involved with the church; a churchgoer or cleric.
- chylomicrons — Plural form of chylomicron.
- chymotrypsin — a powerful proteolytic enzyme secreted from the pancreas in the form of chymotrypsinogen, being converted to the active form by trypsin
- cichoraceous — relating to plants of the sub-order Cichoraceae
- cinque ports — an association of ports on the SE coast of England, originally consisting of Hastings, Romney, Hythe, Dover, and Sandwich, which from late Anglo-Saxon times provided ships for the king's service in return for the profits of justice in their courts. The Cinque Ports declined with the growth of other ports and surrendered their charters in 1685
- circuitously — roundabout; not direct: a circuitous route; a circuitous argument.
- circulations — Plural form of circulation.
- circumcision — surgical removal of the foreskin of males
- circumfluous — flowing all around
- circumfusion — to pour around; diffuse.
- cirrocumulus — a high cloud of ice crystals grouped into small separate globular masses, usually occurring above 6000 metres (20 000 feet)
- cirrostratus — a uniform layer of cloud above about 6000 metres (20 000 feet)
- cirrus logic — (company) A manufacturer of integrated circuits including the Advanced RISC Machine and display interface processors and cards for use as Windows accelerators (requiring dedicated driver software).
- cladocarpous — pleurocarpous.
- 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.
- clangorously — In a clangorous manner; ringingly.
- claustration — the act of confining to a small space (usually a cloister)