7-letter words containing a, c, o, i
- chamoix — an agile, goatlike antelope, Rupicapra rupicapra, of high mountains of Europe: now rare in some areas.
- chaotic — Something that is chaotic is in a state of complete disorder and confusion.
- chariot — In ancient times, chariots were fast-moving vehicles with two wheels that were pulled by horses.
- chicago — a port in NE Illinois, on Lake Michigan: the third largest city in the US; it is a major railway and air traffic centre. Pop: 2 869 121 (2003 est)
- chicano — A chicano is an American citizen, whose family originally came from Mexico.
- chorial — Embryology. the outermost of the extraembryonic membranes of land vertebrates, contributing to the formation of the placenta in the placental mammals.
- ciboria — Plural form of ciborium.
- cinamon — Misspelling of cinnamon.
- cinzano — an Italian vermouth
- cipango — (in medieval legend) an island E of Asia: called Zipangu by Marco Polo and sought by Columbus; identified with Japan
- citator — a legal publication listing cases and statutes, their history and current status
- clarino — of or relating to a high passage for the trumpet in 18th-century music
- clarion — a four-foot reed stop of trumpet quality on an organ
- coadmit — to admit together
- coalbin — a bin for holding coal
- coalify — to turn into coal
- coaling — Present participle of coal.
- coalise — to form a coalition
- coalize — to form a coalition
- coaming — a raised frame around the cockpit or hatchway of a vessel for keeping out water
- coating — A coating of a substance is a thin layer of it spread over a surface.
- coaxial — having or being mounted on a common axis
- coaxing — the act of persuading by tenderness, flattery, pleading, etc
- cocaine — Cocaine is a powerful drug which some people take for pleasure, but which they can become addicted to.
- cochair — to chair jointly
- codeina — a white, crystalline, slightly bitter alkaloid, C 18 H 21 NO 3 , obtained from opium, used in medicine chiefly as an analgesic or sedative and to inhibit coughing.
- codical — Of or pertaining to a code or codex.
- codilla — the coarse parts of flax and hemp
- coeliac — of or relating to the abdomen
- cofinal — of or relating to a subset of a set with a partial order relation, as “greater than” or “equal to,” in which corresponding to each element in the set is an element in the subset that is in relation to the given element.
- cohabit — If two people are cohabiting, they are living together and have a sexual relationship, but are not married.
- coimbra — a city in central Portugal: capital of Portugal from 1190 to 1260; seat of the country's oldest university. Pop: 148 474 (2001)
- coinage — Coinage is the coins which are used in a country.
- colonia — in Mexico, a neighborhood, district, or suburb of a city
- comatic — of, relating to, or produced by a coma
- comical — If you describe something as comical, you mean that it makes you want to laugh because it seems funny or silly.
- comital — of or relating to a count or earl
- comitia — an ancient Roman assembly that elected officials and exercised judicial and legislative authority
- comtian — Also, Comtean. of or relating to the philosophy of Auguste Comte.
- conical — A conical object is shaped like a cone.
- conidia — (in fungi) an asexual spore formed by abstriction at the top of a hyphal branch.
- conrail — a government-supported corporation that combined six bankrupt railroads to provide freight and commuter service in 17 states from Boston to St. Louis.
- contain — If something such as a box, bag, room, or place contains things, those things are inside it.
- copaiba — a transparent yellowish viscous oleoresin obtained from certain tropical South American trees of the leguminous genus Copaifera: used in varnishes and ointments
- copaiva — Alternative form of copaiba.
- copiapo — a city in N Chile.
- coquina — a soft limestone consisting of shells, corals, etc, that occurs in parts of the US
- corbina — a marine food fish, Menticirrhus undulatus, found in Pacific waters off Mexico and California
- cordial — Cordial means friendly.
- coremia — the fruiting bodies of certain fungi, consisting of a loosely bound bundle of conidiophores.