12-letter words containing os
- closegrained — having a fine, compact grain or texture
- closemouthed — not talking much; telling little; taciturn
- closet drama — drama suitable for reading rather than performing
- closet queen — a man who is homosexual but does not admit the fact
- closing date — The closing date for a competition or offer is the final date by which entries or applications must be received.
- closing time — Closing time is the time when something such as a shop, library, or pub closes and people have to leave.
- coccidiostat — a drug used to treat coccidiosis
- coenospecies — a collection of related species able to hybridize
- cognoscitive — having the ability to know or discover: cognoscitive powers.
- colacobiosis — (among social insects) life in which one species lives as a parasite in the community of another species.
- colonoscopes — Plural form of colonoscope.
- colposcopist — an instrument that magnifies the cells of the cervix and vagina to permit direct observation and study of the living tissue.
- command post — A command post is a place from which a commander in the army controls and organizes his forces.
- compass rose — a circle or decorative device printed on a map or chart showing the points of the compass measured from true north and usually magnetic north
- composedness — The state or quality of being composed.
- compositions — Plural form of composition.
- compost heap — an outdoor pile of compostabale material that degrades into compost
- conidiospore — a conidium
- contrapposto — (in the visual arts) a curving or asymmetrical arrangement of the human figure with the shoulders, hips, and legs in different planes
- coprosecutor — one of two or more joint prosecutors.
- coprosperity — joint prosperity
- coscinomancy — a form of divination involving the interpretation of the movement of a sieve suspended by shears
- cosmetically — a powder, lotion, lipstick, rouge, or other preparation for beautifying the face, skin, hair, nails, etc.
- cosmeticians — Plural form of cosmetician.
- cosmic noise — interference caused by radio waves originating in sources beyond the earth
- cosmochemist — a student of cosmochemistry
- cosmogenesis — The origin or evolution of the universe.
- cosmogenetic — Of or pertaining to cosmogeny.
- cosmogonical — Of or pertaining to cosmogony.
- cosmographer — (astrophysics) A scientist specializing in understanding and describing the nature of the universe.
- cosmographic — Of or pertaining to cosmography.
- cosmological — the branch of philosophy dealing with the origin and general structure of the universe, with its parts, elements, and laws, and especially with such of its characteristics as space, time, causality, and freedom.
- cosmologists — Plural form of cosmologist.
- cosmonautics — astronautics, especially as applied to space flight.
- cosmoplastic — forming the universe or the world
- cosmopolises — Plural form of cosmopolis.
- cosmopolitan — A cosmopolitan place or society is full of people from many different countries and cultures.
- cosmopolites — Plural form of cosmopolite.
- cosmopolitic — cosmopolitan
- cosponsoring — Present participle of cosponsor.
- cost control — the limiting of expenditure
- cost overrun — A cost overrun is a cost that is more than the amount budgeted.
- cost-account — to subject to cost accounting.
- cost-benefit — denoting or relating to a method of assessing a project that takes into account its costs and its benefits to society as well as the revenue it generates
- cost-cutting — the reduction of costs
- cost-justify — to justify the allotment or spending of a specific sum of money for (an investment, procurement, etc.).
- costermonger — a person who sells fruit, vegetables, etc, from a barrow
- costophrenic — Synonym of phrenicocostal.
- costume ball — a fancy dress ball
- cosurfactant — a surfactant that acts in addition to another surfactant, further reducing the surface tension of a liquid