20-letter words containing a, p, h
- triphenylmethane dye — any of a great number of dyes, as gentian violet, fuchsin, and rosaniline, produced from triphenylmethane by replacement of the ring hydrogen atoms with hydroxy, amino, sulfo, or other atoms or groups.
- tropospheric scatter — transmission of radio frequency signals that have been scattered from irregularities in the troposphere to locations hundreds of kilometers distant.
- trumpet call for sth — a signal for something
- tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
- turn an honest penny — to earn money fairly and honestly
- upset the apple cart — to disrupt a procedure, spoil someone's plans, etc.
- 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.
- visually handicapped — unable to carry out normal activities because of defects of vision, including blindness
- white bush (scallop) — a variety of summer squash having a saucer-shaped white fruit, scalloped around the edges
- white elephant stall — a stall, usually at a fete or fundraising event, where unwanted possessions are sold
- white-lipped peccary — a piglike artiodactyl mammal, Tayassu albirostris, of forests of southern North America, Central and South America: family Tayassuidae
- wipe the slate clean — begin afresh
- with a pinch of salt — without wholly believing; sceptically
- with all due respect — despite my regard for you
- working relationship — a relationship with a colleague, boss or employee