20-letter words containing h, e, r, d, i
- tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
- twisted stomach worm — stomach worm.
- uncertificated share — a share of a mutual fund credited to the account of a shareholder without the physical issuance of a certificate evidencing ownership.
- under the impression — If you are under the impression that something is the case, you believe that it is the case, usually when it is not actually the case.
- under the microscope — If you say that something is under the microscope, you mean that it is being studied very closely, usually because it is believed that something is wrong with it.
- unified field theory — electroweak theory.
- unified screw thread — a screw thread system introduced for defence equipment (1939–44), in which the thread form and pitch were a compromise between British Standard Whitworth and American Standard Sellers: adopted by the International Standards Organization
- university of durham — (body, education) A busy research and teaching community in the historic cathedral city of Durham, UK (population 61000). Its work covers key branches of science and technology and traditional areas of scholarship. Durham graduates are in great demand among employers and the University helps to attract investment into the region. It provides training, short courses, and expertise for industry. Through its cultural events, conferences, tourist business and as a major employer, the University contributes in a wide social and economic sense to the community. Founded in 1832, the University developed in Durham and Newcastle until 1963 when the independent University of Newcastle upon Tyne came into being. Durham is a collegiate body, with 14 Colleges or Societies which are a social and domestic focus for students. In 1992, the Universities of Durham and Teesside launched University College, Stockton-on-Tees, which has 190 students in the first year.
- uranium hexafluoride — a colorless, water-insoluble, crystalline, volatile solid, UF 6 , used in its gaseous state in separating uranium 235 from uranium.
- video graphics array — (hardware) (VGA) A display standard for IBM PCs, with 640 x 480 pixels in 16 colours and a 4:3 aspect ratio. There is also a text mode with 720 x 400 pixels. IBM technical references define the *product name* of their original VGA display board as "Video Graphics Array", in contrast to the preceding boards, the "Color Graphics Adapter" (CGA) and "Enhanced Graphics Adapter" (EGA). See also Super Video Graphics Adapter.
- visual merchandising — Visual merchandising is the use of attractive displays and floor plans to increase customer numbers and sales volumes.
- weights and measures — units or standards of measurement
- white-flowered gourd — the hard-shelled fruit of any of various plants, especially those of Lagenaria siceraria (white-flowered gourd or bottle gourd) whose dried shell is used for bowls and other utensils, and Cucurbita pepo (yellow-flowered gourd) used ornamentally. Compare gourd family.
- white-fringed beetle — any of several weevils of the genus Graphognathus, native to South America and now of southeastern and mid-Atlantic U.S., whose larvae feed on roots and cause serious damage to a wide variety of plants.
- white-lipped peccary — a piglike artiodactyl mammal, Tayassu albirostris, of forests of southern North America, Central and South America: family Tayassuidae
- wilson cloud chamber — cloud chamber.
- with all due respect — despite my regard for you
- without detriment to — If something happens without detriment to a person or thing, it does not harm or damage them.
- without prejudice to — If you take an action without prejudice to an existing situation, your action does not change or harm that situation.
- your marching orders — If you give someone their marching orders, you tell them that you no longer want or need them, for example as your employee or as your lover.