15-letter words containing h, c, i
- physical change — a usually reversible change in the physical properties of a substance, as size or shape: Freezing a liquid is a physical change.
- physical memory — (memory management) The memory hardware (normally RAM) installed in a computer. The term is only used in contrast to virtual memory.
- 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.
- physicochemical — physical and chemical: the physicochemical properties of an isomer.
- physiologically — of or relating to physiology.
- phytochemically — in a phytochemical manner
- phytopathogenic — of, possessing the properties of, or relating to a phytopathogen
- pick and choose — to choose or select from among a group: to pick a contestant from the audience.
- pick up the tab — If you pick up the tab, you pay a bill on behalf of a group of people or provide the money that is needed for something.
- pick-and-shovel — marked by drudgery; laborious: the pick-and-shovel work necessary to get a political campaign underway.
- pied flycatcher — a small black and white migratory bird of Europe and western Asia, Ficedula hypoleuca
- pinball machine — the tablelike, usually coin-operated machine on which pinball is played.
- 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.
- pitch blackness — extreme darkness; lack of light
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- pixels per inch — (unit, graphics) (ppi) The unit used to measure resolution of a bitmap display or video input device.
- 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
- pleochroic halo — a dark-colored, microscopic ring around a minute radioactive particle in certain mineral crystals, used in estimating the age of the rocks containing these crystals
- polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
- polychlorinated — having multiple chlorine atoms
- polymorphically — in a polymorphic manner
- 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
- prairie chicken — either of two North American gallinaceous birds of western prairies, Tympanuchus cupido (greater prairie chicken) or T. pallidicinctus (lesser prairie chicken) having rufous, brown, black, and white plumage.
- primary teacher — a teacher in a primary school
- prince charming — (sometimes lowercase) a man who embodies a woman's romantic ideal.
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- proscenium arch — the arch separating the stage from the auditorium
- pseudo-chemical — of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
- psychedelically — of or noting a mental state characterized by a profound sense of intensified sensory perception, sometimes accompanied by severe perceptual distortion and hallucinations and by extreme feelings of either euphoria or despair.
- psychedelicware — /si:"k*-del"-ik-weir/ [UK] Synonym display hack. See also smoking clover.
- psychiatrically — the practice or science of diagnosing and treating mental disorders.
- psychoacoustics — the study of sound perception.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychobiologist — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- psychochemistry — the treatment of mental illnesses by drugs
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- psychohistorian — a person who writes psychohistory
- psychologically — of or relating to psychology.
- psychophysicist — a person who specializes in psychophysics
- psychosociology — the study of subjects, issues, and problems common to psychology and sociology.
- psychosynthesis — a theoretical effort to reconcile components of the unconscious, including dreams, with the rest of the personality.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.