15-letter words containing c, h, r, t, i
- orthopaedically — in an orthopaedic manner
- orthophosphoric — (chemistry) Describing the ordinary form of phosphoric acid and its derivatives.
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- osteochondritis — inflammation of bone and cartilage.
- osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
- overachievement — to perform, especially academically, above the potential indicated by tests of one's mental ability or aptitude.
- palaeoanthropic — relating to palaeoanthropology
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- paraheliotropic — (of leaves) turning away from light; sun-avoiding
- parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
- parenthetically — of, pertaining to, noting, or of the nature of a parenthesis: several unnecessary parenthetic remarks.
- parthenogenetic — development of an egg without fertilization.
- patchwork quilt — cover sewn from patches of cloth
- pavel petrovich — Paul I (def 2).
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- phenylketonuric — an inherited disease due to faulty metabolism of phenylalanine, characterized by phenylketones in the urine and usually first noted by signs of mental retardation in infancy.
- philanthropical — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- phonautographic — relating to a phonautograph or a piece of equipment that records sound visually by detecting the sound waves and indicating them on a graph
- phosphocreatine — a compound, C 4 H 1 0 O 5 N 3 P, found chiefly in muscle, formed by the enzymatic interaction of an organic phosphate and creatine, the breakdown of which provides energy for muscle contraction.
- photoelectronic — relating to electronic effects or devices affected by light
- photomicrograph — a photograph taken through a microscope.
- photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
- photoproduction — the light-induced production of a species of molecule such as a radical or ion
- photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
- phototropically — in a phototropic manner
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pinochet ugarte — Augusto [ou-goos-taw] /aʊˈgus tɔ/ (Show IPA), 1915–2006, Chilean army general and political leader: president 1973–90.
- pistachio green — a light or medium shade of yellow green.
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- polychlorinated — having multiple chlorine atoms
- posthemorrhagic — occurring after a haemorrhage
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- power macintosh — Power Mac
- primary teacher — a teacher in a primary school
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- psychiatrically — the practice or science of diagnosing and treating mental disorders.
- psychochemistry — the treatment of mental illnesses by drugs
- psychogeriatric — the psychology of old age.
- psychohistorian — a person who writes psychohistory
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- pulchritudinous — physically beautiful; comely.
- pulmobranchiate — possessing a pulmobranch
- pyrotechnically — in a pyrotechnical manner
- pyrrhic victory — a victory or goal achieved at too great a cost.
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- radiotechnology — the technical application of any form of radiation to industry.
- raster graphics — (graphics) Computer graphics in which an image is composed of an array of pixels arranged in rows and columns. Opposite: vector graphics.
- rechargeability — (of a storage battery) capable of being charged repeatedly. Compare cordless (def 2).
- reentry vehicle — the section of a spacecraft or ballistic missile designed to return to earth.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating