15-letter words containing h, a, p, o
- cephalothoraxes — Plural form of cephalothorax.
- chairpersonship — a person who presides over a meeting, committee, board, etc.
- chandler period — the period of the oscillation (Chandler wobble) of the earth's axis, varying between 416 and 433 days.
- channel hopping — (chat) To rapidly switch channels on IRC, or a GEnie chat board. This term may derive from the TV idiom, "channel surfing".
- channel-hopping — Channel-hopping means switching quickly between different television channels because you are looking for something interesting to watch.
- charleston peak — a mountain in SE Nevada: highest peak in the Spring Mountains. 11,919 feet (3635 meters).
- chartophylacium — (in a medieval church) a place for the keeping of records and documents.
- chemoautotrophs — Plural form of chemoautotroph.
- chemoautotrophy — the process of deriving energy through oxidizing inorganic chemical compounds, as opposed to photosynthesis
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chenopodiaceous — belonging to the Chenopodiaceae, formerly the goosefoot family, now considered part of the amaranth family of plants.
- chimney-pot hat — a high silk hat; top hat.
- chloramphenicol — a broad-spectrum antibiotic used esp in treating typhoid fever and rickettsial infections: obtained from the bacterium Streptomyces venezuelae or synthesized. Formula: C11H12N2O5Cl2
- cholangiography — radiographic examination of the bile ducts after the introduction into them of a contrast medium
- chop and change — When people chop and change, they keep changing their minds about what to do or how to act.
- chopped almonds — almonds cut into small pieces
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chorale prelude — a composition for organ using a chorale as a cantus firmus or as the basis for variations
- chromatographer — A person skilled in chromatography or who operates a chromatograph.
- chromatographic — (analytical chemistry) Of or pertaining to chromatography.
- chromium-plated — having been plated with chromium
- chromoxylograph — a coloured print created from printing with wooden blocks
- cineangiography — the use of motion-picture recording to trace the passage of dye through blood vessels, for the diagnosis of heart and blood vessel disease
- cinematographed — a motion-picture projector.
- cinematographer — A cinematographer is a person who decides what filming techniques should be used during the shooting of a film.
- cinematographic — a motion-picture projector.
- cinemicrography — the making of a film through the lens of a microscope
- cineradiography — the filming of motion pictures through a fluoroscope or x-ray machine.
- claustrophobics — Plural form of claustrophobic.
- coachwhip snake — a slender nonvenomous snake, Masticophis flagellum, of the US
- comparison-shop — to compare prices and quality of competing merchandise.
- complex-machine — Older Use. an automobile or airplane. a typewriter.
- compotationship — the state of being a compotator or drinking companion
- computer-phobia — a person who distrusts or is intimidated by computers.
- connected graph — (mathematics) A graph such that there is a path between any pair of nodes (via zero or more other nodes). Thus if we start from any node and visit all nodes connected to it by a single edge, then all nodes connected to any of them, and so on, then we will eventually have visited every node in the connected graph.
- conservatorship — the legal status of a person appointed by a court to protect the interests of someone, such as a child, who is unable to manage his or her own affairs
- copenhagen blue — a greyish-blue colour
- copper sulphate — a copper salt found naturally as chalcanthite and made by the action of sulphuric acid on copper oxide. It usually exists as blue crystals of the pentahydrate that form a white anhydrous powder when heated: used as a mordant, in electroplating, and in plant sprays. Formula: CuSO4
- copying machine — a machine that makes copies of original documents, especially by xerography.
- corn-leaf aphid — a green aphid, Rhopalosiphum maidis, widely distributed in the U.S.: a pest of corn and other grasses.
- corn-root aphid — an aphid, Anuraphis maidiradicis, that lives as a symbiont in colonies of cornfield ants and feeds on the roots of corn: an agricultural pest.
- counterpurchase — barter, especially of products or materials between international companies or importers and exporters.
- coup de theatre — a dramatic turn of events, esp in a play
- couples therapy — a counseling procedure that attempts to improve the adaptation and adjustment of two people who form a conjugal unit.
- craftswomanship — The body of skills, techniques, and expertise of (a) feminine craft(s).
- crash programme — a short intensive programme to learn a skill, language, etc
- cricopharyngeal — of, relating to, or involving the cricoid cartilage and the pharynx.
- cricopharyngeus — (anatomy) Part of the inferior pharyngeal constrictor, arising from the cricoid cartilage.
- cryptographical — the science or study of the techniques of secret writing, especially code and cipher systems, methods, and the like. Compare cryptanalysis (def 2).
- crystallography — the science concerned with the formation, properties, and structure of crystals