13-letter words containing op
- cephalopodous — of, belonging to or relating to a cephalopod
- ceruloplasmin — a protein responsible for copper detoxification, found in the blood
- chaetophorous — bearing bristles; setigerous.
- chamber opera — an opera requiring few performers and a small orchestra.
- chart-topping — very popular; coming top in the charts
- chemautotroph — an organism, such as a bacterium, that obtains its energy from inorganic reactions using simple compounds, such as ammonia or hydrogen sulphide
- chiropractics — The practice of a chiropractor.
- chiropractors — Plural form of chiropractor.
- chlorophyll-b — the green coloring matter of leaves and plants, essential to the production of carbohydrates by photosynthesis, and occurring in a bluish-black form, C 55 H 72 MgN 4 O 5 (chlorophyll a) and a dark-green form, C 55 H 70 MgN 4 O 6 (chlorophyll b)
- chloroplastal — of or like a chloroplast
- chloroplastic — a plastid containing chlorophyll.
- chopped liver — cooked liver chopped with onions and hard-boiled eggs and seasoned.
- chopped steak — ground, cooked beef, usually served as a main course.
- chorepiscopal — (in early Christianity) relating to or connected with a local bishop
- chosen people — any of various peoples believing themselves to be chosen by God, esp the Jews
- chromatophile — Also, chromophilic, chromophilous [kroh-mof-uh-luh s] /kroʊˈmɒf ə ləs/ (Show IPA), chromatophilic, chromatophilous. staining readily.
- chromatophore — a cell in the skin of frogs, chameleons, etc, in which pigment is concentrated or dispersed, causing the animal to change colour
- chromoprotein — any of a group of conjugated proteins, such as haemoglobin, in which the protein is joined to a coloured compound, such as a metal-containing porphyrin
- chrysophenine — a bright yellow dye derived from stilbene, used chiefly for dyeing leather and textiles.
- chrysophilite — a person who loves gold
- chthonophagia — (disease) A disease characterized by the impulsive consumption of dirt, observed in some parts of the southern United States as well as the West Indies.
- chylophyllous — having fleshy leaves, as certain desert plants.
- claustrophobe — a person who suffers from claustrophobia.
- clinopinacoid — (in monoclinic crystals) the plane that is parallel to both the vertical and the inclined lateral axes
- clinopyroxene — a member of the pyroxene group of minerals having a monoclinic crystal structure, such as augite, diopside, or jadeite
- clippety-clop — the sound struck by the hoofs of a horse trotting on pavement, or any staccato, rhythmic sound resembling it.
- close-cropped — Close-cropped hair or grass is cut very short.
- coin-operated — (of a machine) operated by the insertion of a coin
- colonoscopies — Plural form of colonoscopy.
- colposcopical — of or relating to the colposcope
- combat troops — troops who are engaged in fighting
- conidiophores — Plural form of conidiophore.
- coniferophyte — (biology) conifer.
- cooper's hawk — a small North American hawk, Accipiter cooperii, having a bluish-grey back and wings and a reddish-brown breast
- cooperatively — working or acting together willingly for a common purpose or benefit.
- cooperativity — an interaction between structural units within a molecule or between molecules in an assemblage that enables the system to respond more sharply to an external change than would isolated units
- copartnership — a partnership or association between two equals, esp in a business enterprise
- copolymerized — Polymerized, along with another compound, to form a copolymer.
- copper-fasten — to make (a bargain or agreement) binding
- copperas cove — a town in central Texas.
- copperheadism — U.S. History. (during the Civil War) the advocacy of peace negotiations to restore the Union to its prewar condition, with continued slavery in the South.
- coprecipitate — to cause to precipitate together.
- coptic church — the ancient Christian Church of Egypt
- copy negative — master (def 21).
- copy the mail — letters, packages, etc., that are sent or delivered by means of the postal system: Storms delayed delivery of the mail.
- copyrightable — the exclusive right to make copies, license, and otherwise exploit a literary, musical, or artistic work, whether printed, audio, video, etc.: works granted such right by law on or after January 1, 1978, are protected for the lifetime of the author or creator and for a period of 70 years after his or her death.
- corticotropin — ACTH
- cosmopolitans — Plural form of cosmopolitan.
- cosmopolitics — world politics
- cosmopolitism — The condition or character of a cosmopolite; disregard of national or local peculiarities and prejudices.