20-letter words containing c, i, f, s
- 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
- viscount northcliffe — Viscount, Alfred Charles William Harmsworth.
- warehouse facilities — places for storing goods
- whole-life insurance — a type of insurance with a savings element that is guaranteed to pay out on death provided premiums have been paid as required by the policy
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- winsoft products ltd — (company) The company which produces EMBLA Pro. E-mail: WinSoft Products Ltd <[email protected]>
- winter of discontent — the winter of 1978–1979, during which numerous strikes, esp by local authority workers, took place against a background of a government pay freeze
- with a pinch of salt — without wholly believing; sceptically
- zero insertion force — (hardware) (ZIF) A kind of socket for integrated circuits. A ZIF socket can be opened and closed by means of a lever or screw. When open, there the chip may be placed in the socket without any pressure at all, the socket is then closed, causing its contacts to grip the pins of the chip. Such sockets are used where chips must be inserted and removed frequently, such as in test equipment. They are more expensive and usually take up more space than conventional IC sockets.