15-letter words containing sy
- nucleosynthesis — the formation of new atomic nuclei by nuclear reactions, thought to occur in the interiors of stars and in the early stages of development of the universe.
- nucleosynthetic — Of or pertaining to nucleosynthesis.
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- 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.
- 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
- photosynthesize — to produce carbohydrates by photosynthesis: Plants with light green leaves don't photosynthesize as well as those with darker leaves.
- play kissy-face — to engage in kissing, caressing, etc., esp. overtly or publicly
- polysyllabicism — a polysyllabic style
- postsynchronize — to add sound, such as dubbing, to a film or video after shooting is completed
- presynaptically — in a presynaptic manner
- 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.
- psychopathology — the science or study of mental disorders.
- 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.
- psyllid yellows — a viral disease transmitted by the potato psyllid, causing the young leaves of potatoes, tomatoes, eggplants, and peppers to curl and turn yellow or purplish.
- pubic symphysis — the fixed joint at the front of the pelvic girdle where the halves of the pubis meet.
- radial symmetry — a basic body plan in which the organism can be divided into similar halves by passing a plane at any angle along a central axis, characteristic of sessile and bottom-dwelling animals, as the sea anemone and starfish.
- reye's syndrome — an uncommon, severe disorder occurring primarily in children after a viral illness, as influenza or chickenpox, and associated with aspirin usage, involving swelling of the brain and liver and affecting other organs: symptoms include fever, projectile vomiting, confusion, and, sometimes, respiratory arrest.
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- run-time system — (programming) (RTS, run-time support, run-time) Library code and processes which support software written in a particular language running on a particular platform. The RTS typically deals with details of the interface between the program and the operating system such as system calls, program start-up and termination, and memory management.
- sound symbolism — a nonarbitrary connection between phonetic features of linguistic items and their meanings, as in the frequent occurrence of close vowels in words denoting smallness, as petite and teeny-weeny.
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- sweating system — the practice of employing workers in sweatshops.
- sycophantically — a self-seeking, servile flatterer; fawning parasite.
- syllabification — to form or divide into syllables.
- syllogistically — of or relating to a syllogism.
- sylvian fissure — lateral fissure.
- symbol retailer — any member of a voluntary group of independent retailers, often using a common name or symbol, formed to obtain better prices from wholesalers or manufacturers in competition with supermarket chains
- symbolics, inc. — (company) The company which produced the Lisp Machine.
- symmetric group — the group of all permutations of a finite set.
- sympathetectomy — sympathectomy.
- sympathetic ink — a fluid for producing writing that is invisible until brought out by heat, chemicals, etc.; invisible ink.
- sympathetically — characterized by, proceeding from, exhibiting, or feeling sympathy; sympathizing; compassionate: a sympathetic listener.
- sympathomimetic — mimicking stimulation of the sympathetic nervous system.
- sympathy strike — a strike by a body of workers, not because of grievances against their own employer, but by way of endorsing and aiding another group of workers who are on strike or have been locked out.