17-letter words containing p, y, r, e, n
- pyroligneous acid — a yellowish, acidic, water-soluble liquid, containing about 10 percent acetic acid, obtained by the destructive distillation of wood: used for smoking meats.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- quality newspaper — a more serious newspaper which gives detailed accounts of world events, as well as reports on business, culture, and society
- radiation therapy — x-rays used as treatment
- reality principle — the motivating force or mechanism by which the child, who has previously sought immediate gratification of all wishes, realizes that gratification must sometimes be deferred or forgone.
- recovery position — a position in which an unconscious person can be lain on the floor, which minimises them from further risk
- repertory company — repertory (def 2).
- republic of yemen — Republic of, a country in S Arabia, formed in 1990 by the merger of the Yemen Arab Republic and the People's Democratic Republic of Yemen. 207,000 sq. mi. (536,130 sq. km). Capital: Aden.
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
- safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
- secondary process — the conscious mental activity and logical thinking controlled by the ego and influenced by environmental demands.
- secondary product — a product that is not the main product of an industry; a by-product
- sensitivity group — a group of persons participating in sensitivity training.
- sensory paralysis — impairment or loss of sensation in a part or area of the body
- separation energy — binding energy (def 1).
- serendipity berry — miracle fruit (def 2).
- spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
- spectrum analyser — an instrument that splits an input waveform into its frequency components, which are then displayed
- spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- split keyboarding — the act or practice of editing data from one terminal on another terminal
- split personality — multiple personality.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- spread your wings — if you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience
- stray capacitance — undesired capacitance in equipment, occurring between the wiring, between the wiring and the chassis, or between components and the chassis
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- superconductivity — the phenomenon of almost perfect conductivity shown by certain substances at temperatures approaching absolute zero. The recent discovery of materials that are superconductive at temperatures hundreds of degrees above absolute zero raises the possibility of revolutionary developments in the production and transmission of electrical energy.
- surprise symphony — the Symphony No. 94 in G major (1791) by Franz Josef Haydn.
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- temporary account — A temporary account is an account which is closed out at the end of the year.
- terminal capacity — The terminal capacity is the volume which can be stored in a terminal (= building or area with tanks).
- ternary operation — an operation in a mathematical system by which three elements are combined to yield a single result.
- the penny dropped — If you say the penny dropped, you mean that someone suddenly understood or realized something.
- the underemployed — underemployed people
- to open your eyes — If something opens your eyes, it makes you aware that something is different from the way that you thought it was.
- to open your mind — If something opens your mind to new ideas or experiences, it makes you more willing to accept them or try them.
- top-security wing — a wing of a prison, mental hospital, etc that has a very high level of precautions against escape
- tympanic membrane — eardrum.
- uncomprehendingly — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- unemployment rate — percentage of population without jobs
- unproportionately — proportioned; being in due proportion; proportional.
- upper yukon river — Lewes River.
- worth every penny — If you say that something or someone is worth every penny, you mean that they are worth all the money that is spent on them.
- yorkshire pudding — a pudding made of an unsweetened batter of flour, salt, eggs, and milk, baked under meat as it roasts to catch the drippings or baked separately with a small amount of meat drippings.
- zero-point energy — energy in a substance at the temperature of absolute zero.