16-letter words containing i, p, s, o
- to pass the time — If you do something to pass the time you do it because you have some time available and not because you really want to do it.
- to pay dividends — If something pays dividends, it brings advantages at a later date.
- to put sth right — If you put something right, you correct something that was wrong or that was causing problems.
- to rest in peace — If you express the wish that a dead person may rest in peace, you are showing respect and sympathy for him or her. 'Rest in peace' or 'RIP' is also sometimes written on gravestones.
- top drive system — A top drive system is a system which includes a motor that turns the drill string, used instead of the kelly.
- topical-sentence — a sentence that expresses the essential idea of a paragraph or larger section, usually appearing at the beginning.
- topless swimsuit — swimsuit which has no covering for the breasts
- topsail schooner — a sailing vessel fore-and-aft rigged on all of two or more masts with square sails above the foresail, and often with a square sail before the foresail.
- torsion pendulum — a pendulum the weight of which is rotated alternately in opposite directions through a horizontal plane by the torsion of the suspending rod or spring: used for clocks intended to run a long time between windings.
- transition point — Physics. a temperature at which a substance undergoes some abrupt change in its properties, as when it passes from the normal to the superconducting state.
- transpeptidation — the process of transferring an amino acid or group of amino acids from one compound to another.
- transport police — the national police force for railways in Britain, which protects rail operators, staff and passengers
- trap-door spider — any of several burrowing spiders, of the family Ctenizidae, that construct a tubular nest with a hinged lid.
- trial separation — an experimental period of living apart
- triple-expansion — noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.
- turn upside down — invert
- two-tailed pasha — a distinctive vanessid butterfly of S Europe, Charaxes jasius, having mottled brown wings with a yellow-orange margin and frilled hind edges
- typhoid bacillus — the bacterium Salmonella typhosa, causing typhoid fever.
- ultramicroscopic — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- unaccomplishable — to bring to its goal or conclusion; carry out; perform; finish: to accomplish one's mission.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- uncomprehensible — capable of being comprehended or understood; intelligible.
- uncompromisingly — not admitting of compromise or adjustment of differences; making no concessions; inaccessible to flexible bargaining; unyielding: an uncompromising attitude.
- underconsumption — the act of consuming, as by use, decay, or destruction.
- unimpressionable — easily impressed or influenced; susceptible: an impressionable youngster.
- union membership — members of a trade union
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- unpublished work — a literary work that has not been reproduced for sale or publicly distributed.
- unresponsiveness — responding especially readily and sympathetically to appeals, efforts, influences, etc.: a responsive government.
- upside-down cake — a cake that is baked on a layer of fruit, then turned before serving so that the fruit is on top.
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- vapor combustion — Vapor combustion is a closed burn system used for treating liquid waste which contains volatile organic compounds.
- verneuil process — a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds.
- videodisc player — an electronic device for playing videodiscs through a television set.
- virginia cowslip — a perennial woodland plant (Mertensia virginica) of the borage family, native to E North America and having clusters of blue or purple, bell-shaped flowers
- vitruvius pollio — Marcus, flourished 1st century b.c, Roman architect, engineer, and author.
- will-o'-the-wisp — ignis fatuus (def 1).
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- windowpane shell — capiz.
- wisconsin rapids — a city in central Wisconsin.
- work-in-progress — In book-keeping, work-in-progress refers to the monetary value of work that has not yet been paid for because it has not yet been completed.
- world exposition — world's fair.
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty
- yah-boo politics — adversarial politics in which politicians constantly deride their opponents and dismiss everything suggested by them
- zenith telescope — a telescope mounted to point only at the zenith, used at some observatories for measuring time by the stars.
- zygosporangium's — a sporangium that bears a zygospore.