17-letter words containing r, e, p, n
- 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.
- speech correction — the reeducation of speech habits that deviate from accepted speech standards.
- speed restriction — the maximum speed allowed for road vehicles, trains, or other vehicles
- spenserian sonnet — a sonnet employing the rhyme scheme abab, bcbc, cdcd, ee.
- spenserian stanza — the stanza used by Spenser in his Faerie Queene and employed since by other poets, consisting of eight iambic pentameter lines and a final Alexandrine, with a rhyme scheme of ababbcbcc.
- sperrin mountains — a mountain range in NW Northern Ireland
- 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.
- spiritual healing — faith healing
- spiritus frumenti — whiskey.
- 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.
- spotted sandpiper — a North American sandpiper, Actitis macularia, that has brownish-gray upper parts and white underparts, and is spotted with black in the summer.
- 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
- spring cankerworm — the striped, green caterpillar of any of several geometrid moths: a foliage pest of various fruit and shade trees, as Paleacrita vernata (spring cankerworm) and Alsophila pometaria (fall cankerworm)
- springfield rifle — a single-shot, breechloading .45-caliber rifle used by the U.S. Army from 1867 to 1893.
- stars and stripes — US national flag
- steamboat springs — a town in NW Colorado: ski resort.
- stenothermophilic — growing best within a narrow temperature range.
- stir one's stumps — to move or become active
- storm in a teacup — a violent fuss or disturbance over a trivial matter
- stray capacitance — undesired capacitance in equipment, occurring between the wiring, between the wiring and the chassis, or between components and the chassis
- subscription rate — the price charged for a subscription
- super-nationalism — an extreme or fanatical loyalty or devotion to a nation.
- superaerodynamics — the branch of aerodynamics that deals with gases at very low densities.
- superalimentation — nourishment; nutrition.
- supercolumniation — the placing of one order of columns above another.
- 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.
- supernova remnant — an expanding shell of gas, with accompanying strong radio and x-ray emissions, produced by a supernova.
- superregeneration — regeneration in which a signal is alternately amplified and quenched at a frequency slightly above the audible range to achieve high sensitivity with a single tube.
- superstitiousness — of the nature of, characterized by, or proceeding from superstition: superstitious fears.
- supervision order — an order by a juvenile court requiring a named probation officer or local-authority social worker to advise, assist, and befriend a child or young person who is the subject of care proceedings, over a period of up to three years
- support mechanism — any formal system or method of providing support or assistance
- supreme commander — the military officer commanding all allied forces in a theater of war.
- surprise symphony — the Symphony No. 94 in G major (1791) by Franz Josef Haydn.
- suspension bridge — a bridge having a deck suspended from cables anchored at their extremities and usually raised on towers.
- synchronous speed — the speed at which an alternating-current machine must operate to generate electromotive force at a given frequency.
- taiping rebellion — a movement of religious mysticism and agrarian unrest in China between 1850 and 1864 which weakened the Manchu dynasty but was eventually suppressed with foreign aid
- take in good part — to respond to (teasing) with good humour
- take no prisoners — to be uncompromising and resolute in one's actions
- take-no-prisoners — wholeheartedly aggressive; zealous; gung-ho: a businessman with a take-no-prisoners attitude toward dealmaking.
- teaching practice — Teaching practice is a period that a student teacher spends teaching at a school as part of his or her training.
- technical support — an advising and troubleshooting service provided by a manufacturer, typically a software or hardware developer, to its customers, often online or on the telephone.
- teething problems — If a project or new product has teething problems, it has problems in its early stages or when it first becomes available.
- telephone numbers — extremely large numbers, esp in reference to salaries or prices
- telephone service — a company or public utility that provides a telephone-operating service
- temporary account — A temporary account is an account which is closed out at the end of the year.
- temporomandibular — of, relating to, or situated near the hinge joint formed by the lower jaw and the temporal bone of the skull.