Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables:
Time is considered a fourth dimension for locating points in space-time.
something beyond the kind of normal human experience that can be explained scientifically:
The story deals with ESP and other excursions into the fourth dimension.
the dimension of time, which is necessary in addition to three spatial dimensions to specify fully the position and behaviour of a point or particle
the concept in science fiction of a dimension in addition to three spatial dimensions, used to explain supernatural phenomena, events, etc
Time regarded as a coordinate dimension. A fourth dimension is required by relativity theory, along with three spatial dimensions, to specify completely the location of any event.
- Fourth disease
fourth disease n. A mild exanthematous disease of childhood resembling scarlatina. Also called Dukes disease, scarlatinella.
noun, (often initial capital letters) 1. the journalistic profession or its members; the press. 2. a group other than the usual powers, as the three estates of France, that wields influence in the politics of a country. noun 1. (sometimes capitals) journalists or their profession; the press See estate (sense 4) n. “the press,” by […]
- Fourth generation computer
architecture A computer built using Very Large Scale Integration (VLSI) integrated circuits, especially a microcomputer based on a microprocesseor, or a parallel processor containing two to thousands of CPUs. VLSI made it routine to fabricate an entire CPU, main memory, or similar device with a single integrated circuit that can be mass produced at very […]
- Fourth generation language
language (4GL, or “report generator language”) An “application specific” language, one with built-in knowledge of an application domain, in the way that SQL has built-in knowledge of the relational database domain. The term was invented by Jim Martin to refer to non-procedural high level languages built around database systems. Fourth generation languages are close to […]