16-letter words containing d, r, o, l, p
- southern uplands — a hilly region extending across S Scotland: includes the Lowther, Moorfoot, and Lammermuir hills
- spectacled cobra — Indian cobra.
- spotted mackerel — a small mackerel, Scomberomorus queenslandicus, of northern Australian waters
- stop-limit order — stop order.
- sulphur trioxide — a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3
- sun in splendour — a representation of the sun with rays and a human face
- terminal adaptor — (networking, hardware) (TA) Equipment used to adapt Integrated Services Digital Network (ISDN) Basic Rate Interface (BRI) channels to existing terminal equipment standards such as EIA-232 and V.35. A Terminal Adaptor is typically packaged like a modem, either as a stand-alone unit or as an interface card that plugs into a computer or other communications equipment (such as a router or PBX). A Terminal Adaptor does not interoperate with a modem; it replaces it.
- thermoacidophile — any organism, especially a type of archaebacterium, that thrives in strongly acidic environments at high temperatures.
- 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.
- trapezoidal rule — a numerical method for evaluating the area between a curve and an axis by approximating the area with the areas of trapezoids.
- two-body problem — the problem of calculating the motions of two bodies in space moving solely under the influence of their mutual gravitational attraction.
- twofold purchase — a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block.
- under bare poles — (of a sailing vessel) with no sails set
- under the plough — If an area of land is under the plough, it is used for growing crops. If land is brought or put under the plough, it is ploughed for the first time and is then used for growing crops.
- under-employment — employed at a job that does not fully use one's skills or abilities.
- unimproved value — the valuation of land for rating purposes, disregarding the value of buildings or other development
- unpublished work — a literary work that has not been reproduced for sale or publicly distributed.
- videodisc player — an electronic device for playing videodiscs through a television set.
- vinylidene group — the bivalent group C 2 H 2 , derived from ethylene.
- vinylpyrrolidone — Vinylpyrrolidone is a substance used as a binder in pharmaceuticals.
- well-upholstered — (of a person) fat
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- wolfenden report — a study produced in 1957 by the Committee on Homosexual Offences and Prostitution in Britain, which recommended that homosexual relations between consenting adults be legalized
- world bank group — the collective name for the International Bank for Reconstruction and Development, the International Finance Corporation, and the International Development Association, whose headquarters are all in Washington
- world exposition — world's fair.
- xenotransplanted — Transplanted by xenotransplantation.