11-letter words containing p, i, n, o
- canophilist — a person who loves dogs
- canopic jar — (in ancient Egypt) one of four containers with tops in the form of animal heads of the gods, for holding the entrails of a mummy
- canopic urn — an urn used in ancient Egypt to hold and preserve the internal organs of the mummified dead
- caparisoned — (of a horse) Having a richly ornamented harness.
- cape pigeon — a species of seagoing petrel, Daption capensis, with characteristic white wing patches: a common winter visitor off the coasts of southern Africa: family Diomedeidae
- capernoited — capricious
- capernoitie — the head
- capitations — Plural form of capitation.
- cappadocian — of or relating to Cappadocia or its inhabitants
- cappuccinos — Plural form of cappuccino.
- capricornia — the regions of Australia in the tropic of Capricorn
- capricornus — a faint zodiacal constellation in the S hemisphere, lying between Sagittarius and Aquarius
- capsulation — enclosed in or formed into a capsule.
- captionless — (of a cartoon) having no caption
- captivation — to attract and hold the attention or interest of, as by beauty or excellence; enchant: Her blue eyes and red hair captivated him.
- cardiolipin — a lipid purified from bovine heart and used as an antigen for reacting with reagin, the Wassermann antibody, in the Wassermann diagnostic test for syphilis.
- carnaptious — ill-tempered or cantankerous
- carpogonium — the female sex organ of red algae, consisting of a swollen base containing the ovum and a long neck down which the male gametes pass
- cataphonics — catacoustics
- cenospecies — a species related to another by the ability to interbreed
- centipoises — Plural form of centipoise.
- cephalothin — a cephalosporin antibiotic often used in the treatment of bacterial infections
- ceratopsian — resembling or belonging to the Ceratopsia, a suborder of herbivorous dinosaurs characterized by their parrot-like beaks, horns, and neck frills
- chairperson — The chairperson of a meeting, committee, or organization is the person in charge of it.
- champignons — Plural form of champignon.
- championess — a female champion
- championing — a person who has defeated all opponents in a competition or series of competitions, so as to hold first place: the heavyweight boxing champion.
- champollion — Jean François (ʒɑ̃ frɑ̃swa). 1790–1832, French Egyptologist, who deciphered the hieroglyphics on the Rosetta stone
- chaperoning — a person, usually a married or older woman, who, for propriety, accompanies a young unmarried woman in public or who attends a party of young unmarried men and women.
- chaperonins — Plural form of chaperonin.
- checkpoints — Plural form of checkpoint.
- chenopodium — (botany) Any member of the flowering plant genus Chenopodium.
- chicken pox — a disease, commonly of children, caused by the varicella zoster virus and characterized by mild headache and fever, malaise, and eruption of blisters on the skin and mucous membranes.
- chimney pot — A chimney pot is a short pipe which is fixed on top of a chimney.
- chiropteran — of, relating to, or belonging to the Chiroptera, an order of placental mammals comprising the bats
- chlorpicrin — chloropicrin
- choke point — a place of greatest congestion and often hazard; bottleneck.
- chokepoints — Plural form of chokepoint.
- chymopapain — papain, esp. when injected into a slipped disk to dissolve pain-causing soft cartilage
- ciclosporin — a drug extracted from a fungus and used after organ transplantation to suppress the body's immune mechanisms, and so prevent rejection of an organ
- cinemascope — an anamorphic process of wide-screen film projection in which an image of approximately twice the usual width is squeezed into a 35mm frame and then screened by a projector having complementary lenses
- clay pigeon — Clay pigeons are discs of baked clay which are thrown into the air by a machine as targets for gun shooting practice.
- cleptomania — kleptomania
- clodhopping — loutish; boorish.
- clothes-pin — a device, such as a forked piece of wood or plastic, for fastening articles to a clothesline.
- clothespins — Plural form of clothespin.
- coil spring — a helical spring formed from wire
- colophonian — a native of Colophon.
- colophonies — Plural form of colophony.
- colourpoint — a breed of domestic cat