15-letter words containing g, r, o, y
- orthokeratology — a technique for correcting refractive errors in vision by changing the shape of the cornea with the temporary use of progressively flatter hard contact lenses.
- oxygen cylinder — a metal cylinder containing oxygen under pressure
- palaeogeography — the study of geographical features of the geological past
- palaeontography — the branch of palaeontology concerned with the description of fossils
- petty bourgeois — petit bourgeois
- phenylene group — any of three bivalent, isomeric groups having the formula –C 6 H 4 –, derived from benzene by the removal of two hydrogen atoms.
- phonogramically — in a phonogramic manner
- phototelegraphy — facsimile (def 2a).
- phototopography — topographical surveying employing photogrammetric methods.
- phototypography — (formerly) the art or technique of making printing surfaces by light or photography, by any of a large number of processes.
- photoxylography — the process of using photography in order to produce an image on wood, for the use of a wood engraver
- phrenologically — in a manner relating to phrenology
- plethysmography — the tracking of changes measured in bodily volume
- polynomial ring — the set of all polynomials in an indeterminate variable with coefficients that are elements of a given ring.
- polysomnography — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- poultry farming — breeding and keeping fowl
- primary storage — main memory
- programmability — capable of being programmed.
- property rights — a legal right to or in a particular property.
- propylene group — the bivalent group −CH(CH 3)CH 2 −, derived from propylene or propane.
- pseudopregnancy — Pathology, Veterinary Pathology. false pregnancy.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- pyrogallic acid — pyrogallol
- pyrogallic-acid — a white, crystalline, water-soluble, poisonous, solid, phenolic compound, C 6 H 3 (OH) 3 , obtained by heating gallic acid and water: used chiefly as a developer in photography, as a mordant for wool, in dyeing, and in medicine in the treatment of certain skin conditions.
- pyrophotography — the production of pyrophotographs
- radioautography — autoradiography.
- radiogoniometry — the science of detecting the direction of radio waves
- radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- recognizability — to identify as something or someone previously seen, known, etc.: He had changed so much that one could scarcely recognize him.
- registry office — a government office and depository in which records and civil registers are kept and civil marriages performed.
- regulatory gene — any gene that exercises control over the expression of another gene or genes.
- regulatory risk — a risk to which private companies are subject, arising from the possibility of legislation or regulations that will affect business being adopted by a government
- remonstratingly — in an remonstrating or dissenting manner
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- ringtail monkey — a Central and South American monkey, Cebus capucinus, having a prehensile tail and hair on the head resembling a cowl.
- roentgenography — roentgenogram.
- rogation sunday — the fifth Sunday after Easter; it sees the start of the supplications that are continued during the following Monday, Tuesday and Wednesday
- rogues' gallery — a collection of portraits of criminals and suspects maintained by the police for purposes of identification.
- rotary debugger — (Commodore) Essential equipment for those late-night or early-morning debugging sessions. Mainly used as sustenance for the hacker. Comes in many decorator colours, such as Sausage, Pepperoni, and Garbage.
- rotary drilling — Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole.
- rough and ready — rough, rude, or crude, but good enough for the purpose: a rough-and-ready estimate of future expenses.
- rough-and-ready — rough, rude, or crude, but good enough for the purpose: a rough-and-ready estimate of future expenses.
- royal engineers — a branch of the British army that undertakes the building of fortifications, mines, bridges, and other engineering works
- rural sociology — the sociological study of life in rural areas and the effects of ruralization.