15-letter words containing p, o, r, g, y
- isopropyl group — the univalent group C 3 H 7 , an isomer of the propyl group.
- lepidopterology — the branch of zoology dealing with butterflies and moths.
- linear topology — (theory) A linear topology on a left A-module M is a topology on M that is invariant under translations and admits a fundamental system of neighborhood of 0 that consists of submodules of M. If there is such a topology, M is said to be linearly topologized. If A is given a discrete topology, then M becomes a topological A-module with respect to a linear topology.
- lymphogranuloma — any of certain diseases characterized by granulomatous lesions of lymph nodes.
- malacopterygian — belonging or pertaining to the Malacopterygii (Malacopteri), a group of soft-finned, teleost fishes.
- methylene group — the bivalent organic group >CH 2 , derived from methane.
- metric topology — a topology for a space in which open sets are defined in terms of a given metric.
- microangiopathy — any disease of the small blood vessels.
- micromorphology — the study of the form and structure of organisms at a microscopic level
- microtopography — microrelief.
- morning prayers — early-morning act of religious worship
- morphologically — the branch of biology dealing with the form and structure of organisms.
- morphophonology — morphophonemics (def 1).
- nasopharyngitis — (medicine) An inflammation of the nasal passages, and of the upper pharynx.
- neurophysiology — the branch of physiology dealing with the functions of the nervous system.
- neuropsychology — The study of the relationship between behavior, emotion, and cognition on the one hand, and brain function on the other.
- operating cycle — the period of time between starting a business and making a profit
- 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.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- roentgenography — roentgenogram.
- secondary group — a group of people with whom one's contacts are detached and impersonal.
- semipornography — partial pornography; material that is almost pornographic
- spill your guts — If someone spills their guts, they tell you everything about something secret or private.
- symmetric group — the group of all permutations of a finite set.