15-letter words containing c, h, a, o, t, i
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- photoexcitation — the creation of an increase in energy in atoms, molecules or ions caused by the absorption of a photon
- photomechanical — noting or pertaining to any of various processes for printing from plates or surfaces prepared by the aid of photography.
- photomicrograph — a photograph taken through a microscope.
- photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
- phototactically — in a phototactic manner
- phototropically — in a phototropic manner
- physical optics — the branch of optics concerned with the wave properties of light, the superposition of waves, the deviation of light from its rectilinear propagation in a manner other than that considered by geometrical optics, the interaction of light with matter, and the quantum, corpuscular aspects of light.
- physicalization — to express in physical terms; give form or shape to: The dancers physicalized the mood of the music.
- phytochemically — in a phytochemical manner
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- 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.
- plain chocolate — dark eating chocolate
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- play havoc with — bring chaos to
- polychlorinated — having multiple chlorine atoms
- posthemorrhagic — occurring after a haemorrhage
- power macintosh — Power Mac
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- psychoacoustics — the study of sound perception.
- 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.
- public footpath — a footpath along which the public has right of way
- pulmobranchiate — possessing a pulmobranch
- pyrotechnically — in a pyrotechnical manner
- 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.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.
- rightabout-face — a turning directly about so as to face in the opposite direction
- sadomasochistic — interaction, especially sexual activity, in which one person enjoys inflicting physical or mental suffering on another person, who derives pleasure from experiencing pain.
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- scatter cushion — Scatter cushions are small cushions for use on sofas and chairs.
- schillerization — the process of altering crystals to produce schiller
- schistosomiasis — an infection caused by parasitic flukes of the genus Schistosoma, occurring commonly in eastern Asia and in tropical regions and transmitted to humans through feces-contaminated fresh water or snails: symptoms commonly include pain, anemia, and malfunction of the infected organ.
- school teaching — School teaching is the work done by teachers in a school.
- scotch highland — any of a breed of small, hardy, usually dun-colored, shaggy-haired beef cattle with long, widespread horns, able to withstand the cold and sparse pasturage of its native western Scottish uplands.
- scottish gaelic — the Gaelic of the Hebrides and the Highlands of Scotland, also spoken as a second language in Nova Scotia.
- scratching post — a block or post of wood, usually covered with carpeting, on which a cat can use its claws.
- semilogarithmic — (of graphing) having one scale logarithmic and the other arithmetic or of uniform gradation.
- shock probation — the release on probation of a criminal after brief imprisonment
- shock resistant — not affected by impact
- shock-resistant — strong or resilient enough to sustain minor impacts without damage to the internal mechanism: a shock-resistant watch.
- shrimp cocktail — prawns and lettuce in Mary Rose sauce
- social heritage — the entire inherited pattern of cultural activity present in a society.