17-letter words containing sy
- psychoprophylaxis — Lamaze method.
- psychotherapeutic — psychotherapy.
- reiter's syndrome — a disease of unknown cause, occurring primarily in adult males, marked by urethritis, conjunctivitis, and arthritis.
- social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.
- surprise symphony — the Symphony No. 94 in G major (1791) by Franz Josef Haydn.
- survivor syndrome — a characteristic group of symptoms, including recurrent images of death, depression, persistent anxiety, and emotional numbness, occurring in survivors of disaster.
- sybase sql server — Adaptive Server Enterprise
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- symbolic assembly — (language) An early system on the IBM 705.
- symbolic language — a specialized language dependent upon the use of symbols for communication and created for the purpose of achieving greater exactitude, as in symbolic logic or mathematics.
- sympathetic magic — magic predicated on the belief that one thing or event can affect another at a distance as a consequence of a sympathetic connection between them.
- synchronistically — coincidence in time; contemporaneousness; simultaneousness.
- synchronous motor — a synchronous machine that acts as a motor.
- synchronous orbit — an orbit in which the orbital period of a satellite is identical to the spin period of the central body
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- synovial membrane — anatomy: connective tissue
- synthetic biology — the application of computer science techniques to create artificial biological systems
- synthetic phonics — a method of teaching people to read by training them to pronounce sounds associated with particular letters in isolation and then blend them together
- tertiary syphilis — the third stage of syphilis, characterized by involvement of the internal organs, especially the brain, spinal cord, heart, and liver.
- the pennsylvanian — the Pennsylvanian period or rock system, equivalent to the Upper Carboniferous of Europe
- to get psyched up — to prepare mentally
- tourette syndrome — a neurological disorder characterized by recurrent involuntary movements, including multiple neck jerks and sometimes vocal tics, as grunts, barks, or words, especially obscenities.
- turner's syndrome — an abnormal congenital condition resulting from a defect on or absence of the second sex chromosome, characterized by retarded growth of the gonads.
- unsympathetically — in a manner that is not characterized by feeling or showing sympathy
- urogenital system — the urinary tract and reproductive organs
- vasovagal syncope — a faint brought on by excessive activity of the vagus nerve, causing the heart to slow and the blood pressure to fall. It can be caused by fear, choking, or stomach cramps and has no lasting effects
- vestibular system — the sensory mechanism in the inner ear that detects movement of the head and helps to control balance
- voice synthesizer — a computer system that is used to artificially produce the human voice
- wade-giles system — a system of Romanization of Chinese, devised by Sir Thomas Francis Wade (1818–95) and adapted by Herbert Allen Giles (1845–1935), widely used in representing Chinese words and names in English, especially before the adoption of pinyin.
- williams syndrome — an abnormality in the genes involved in calcium metabolism, resulting in learning difficulties