13-letter words containing o, u, r, i
- cavernicolous — inhabiting caves or cavelike places
- celluliferous — making or consisting of small cells
- centuries-old — hundreds of years old
- ceremoniously — If someone does something ceremoniously, they do it in an extremely formal way.
- ceruloplasmin — a protein responsible for copper detoxification, found in the blood
- cerumenolysis — (medicine) The process of softening cerumen (earwax) for removal.
- cerumenolytic — (pharmacology) A chemical that softens or removes cerumen (earwax).
- charles louis — (Karl Ludwig Johann) 1771–1847, archduke of Austria.
- checkout girl — a female employee who works on a supermarket checkout
- chemosurgical — of or relating to chemosurgery
- chiaroscurist — A painter who uses light and shade rather than colour to create the illusion of volume.
- child support — If a parent pays child support, they legally have to pay money to help provide things such as food and clothing for a child with whom they no longer live.
- chlorocruorin — an oxygen-carrying substance that is found in the tissues of members of the division Annelida that is green in colour when oxygen is not present
- chlorous acid — an unstable acid that is a strong oxidizing agent. Formula: HClO2
- choripetalous — polypetalous
- churn molding — a molding decorated with chevrons.
- circuit board — A circuit board is the same as a printed circuit board.
- circuit court — a court with jurisdiction over several counties or districts within a state.
- circumcisions — Plural form of circumcision.
- circumduction — the action of turning anything on its axis
- circumductory — relating to circumduction
- circumflexion — The act of bending, or causing to assume a curved form.
- circumlocutes — Third-person singular simple present indicative form of circumlocute.
- circumorbital — (anatomy) Around the eye.
- circumvention — to go around or bypass: to circumvent the lake; to circumvent the real issues.
- circumvolving — Present participle of circumvolve.
- ciudad madero — city in Tamaulipas state, EC Mexico: suburb of Tampico: pop. 160,000
- clair-obscure — chiaroscuro.
- clearinghouse — If an organization acts as a clearinghouse, it collects, sorts, and distributes specialized information.
- click through — to navigate around (a website) using the links provided to move onto different pages
- click-through — the act of clicking on an advertisement or other link to go to another website, especially a retail site: The store gets lots of clickthroughs from social media.
- clistocarpous — Mycology. having cleistothecia.
- cluster point — a point of a net having the property that the net is frequently in each neighborhood of the point.
- co-authorship — the state a coauthor
- co-curricular — related but only complementary to the official curriculum, as a civic or service activity outside the classroom.
- co-production — a film, play, television programme, etc, produced by two or more people or organizations
- coachbuilders — Plural form of coachbuilder.
- coadjutorship — the state of being a coadjutor
- coal industry — a branch of commercial enterprise concerned with the discovery and mining of coal
- cobaltiferous — containing cobalt
- cocktail hour — the interval before the evening meal during which cocktails and other alcoholic beverages are often served.
- coeur de lion — Richard I, meaning “lionhearted.”.
- colour filter — a thin layer of coloured gelatine, glass, etc, that transmits light of certain colours or wavelengths but considerably reduces the transmission of others
- colourisation — Alternative spelling of colorization.
- columelliform — like a columella.
- communautaire — supporting the principles of the European Community (now the European Union)
- communicators — Plural form of communicator.
- communicatory — inclined to communicate or impart; talkative: He isn't feeling very communicative today.
- communitarian — a member of a communist community
- commuter line — a railway line that mainly serves commuters