12-letter words containing o, y
- chirurgeonly — in the manner of a surgeon
- chivalrously — having the qualities of chivalry, as courage, courtesy, and loyalty.
- chlorenchyma — plant tissue consisting of parenchyma cells that contain chlorophyll
- chlorohydrin — any of a class of organic compounds containing a hydroxyl group and a chlorine atom
- chlorophylls — Plural form of chlorophyll.
- chlorophytes — Plural form of chlorophyte.
- chlorophytum — any plant of the genus Chlorophytum, esp C. elatum variegatum, grown as a pot plant for its long narrow leaves with a light central stripe, and characterized by the production of offsets at the end of long scapes: family Liliaceae
- chlorpyrifos — a broad-spectrum insecticide, C 9 H 11 Cl 3 NO 3 PS, used on lawns and ornamental plants.
- choicelessly — In a choiceless manner.
- cholerically — In a choleric manner.
- cholinolytic — capable of blocking the action of acetylcholine and related compounds.
- chord symbol — any of a series of letters and numerals, used as a shorthand indication of chords, esp in jazz, folk, or pop music
- choreography — Choreography is the inventing of steps and movements for ballets and other dances.
- choux pastry — a very light pastry made with eggs, used for eclairs, etc
- chrestomathy — a collection of literary passages, used in the study of language
- christophany — an appearance or emergence of Christ following his crucifixion
- chromaticity — the quality of a colour or light with reference to its purity and its dominant wavelength
- chromatology — chromatics.
- chromography — (obsolete) chromolithography.
- chronography — an arrangement of past events
- 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.
- chthonophagy — (disease) Alternative form of chthonophagia.
- chylocaulous — having fleshy stems.
- 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
- chymotryptic — relating to chymotrypsin
- ciliary body — the part of the vascular tunic of the eye that connects the choroid with the iris
- circuitously — roundabout; not direct: a circuitous route; a circuitous argument.
- circumrotary — Alternative form of circumrotatory.
- city college — an educational institution providing higher education and lower-level tertiary education in the US and Canada
- city company — (in Britain) a corporation that represents one of the historic trade guilds of London
- city council — a municipal body having legislative and administrative powers, such as passing ordinances and appropriating funds.
- city edition — an early edition of a daily newspaper on sale locally, usually a later edition than the one sent for out-of-town distribution.
- clairvoyance — the alleged power of perceiving things beyond the natural range of the senses
- clairvoyancy — the faculty of clairvoyance
- clairvoyants — Plural form of clairvoyant.
- clamourously — Archaic spelling of clamorously.
- clangorously — In a clangorous manner; ringingly.
- clap eyes on — to catch sight of
- clayton fern — a tall fern, Osmunda claytoniana, of eastern North America and eastern Asia, having an interruption of growth in the center of some fronds.
- clergyperson — a member of the clergy
- clitorectomy — (surgery) the surgical procedure to remove all or part of the clitoris; female circumcision.
- closed cycle — a heat engine in which the working substance is continuously circulated and does not need replenishment
- coachability — a large, horse-drawn, four-wheeled carriage, usually enclosed.
- coccygectomy — (surgery) Surgical removal of the coccyx.
- cockeyed bob — a short, violent storm.