15-letter words containing s, y, c, o, i
- onychocryptosis — a form of nail disease in which nails are ingrown
- ornithorhynchus — the platypus.
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- paleogeophysics — (used with a plural verb) inferred geophysical conditions or processes of designated periods of the geologic past.
- periodic system — a system of classification of the elements based on the periodic law.
- perissosyllabic — (of a line of verse) containing more syllables than expected for the metre being used
- peroxysulphuric — as in peroxysulphuric acid
- philosophically — of or relating to philosophy: philosophical studies.
- photoelasticity — the phenomenon of double refraction of polarized light by a transparent substance under elastic stress, used to measure strain in elastic, transparent materials.
- 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.
- plunket society — the Royal New Zealand Society for the Health of Women and Children
- policy issuance — Policy issuance is the process of creating an insurance policy and providing it to the policyholder.
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- polysyllabicism — a polysyllabic style
- postapocalyptic — of or like an apocalypse; affording a revelation or prophecy.
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- primary process — the generally unorganized mental activity characteristic of the unconscious and occurring in dreams, fantasies, and related processes.
- procrastinatory — to defer action; delay: to procrastinate until an opportunity is lost.
- 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.
- psychotomimetic — (of a substance or drug) tending to produce symptoms like those of a psychosis; hallucinatory.
- pycnodysostosis — a disorder characterized by fragile bones
- pyrocrystalline — crystallized from a molten magma or highly heated solution.
- registry office — a government office and depository in which records and civil registers are kept and civil marriages performed.
- resurrectionary — pertaining to or of the nature of resurrection.
- retrospectively — with contemplation of past situations, events, etc.: You should examine your relationship retrospectively.
- rockrose family — the plant family Cistaceae, characterized by herbaceous plants and shrubs having simple, usually opposite leaves, solitary or clustered flowers, and capsular fruit, and including the frostweed, pinweed, and rockrose.
- rocky mountains — mountain range in USA and Canada
- rural sociology — the sociological study of life in rural areas and the effects of ruralization.
- san jacinto day — a legal holiday observed in Texas on April 21.
- sanitary cordon — cordon sanitaire.
- saprophytically — any organism that lives on dead organic matter, as certain fungi and bacteria.
- say one's piece — If you say your piece, you say everything you want to say about a particular matter without being interrupted, although people may be wanting to express opposing views.
- school holidays — the period during which schools are closed - in the summer, at Christmas and Easter, and at other times of the year
- security forces — police or soldiers responsible for maintaining security