26-letter words containing g, i, a, f
- topological transformation — homeomorphism (def 2).
- vienna definition language — (VDL) IBM Vienna Labs. A language for formal, algebraic definition via operational semantics. Used to specify the semantics of PL/I. See also VDM.
- within range, out of range — If something is in range or within range, it is near enough to be reached or detected. If it is out of range, it is too far away to be reached or detected.