Jump to navigation Jump to search
- A practice such as witchcraft, sorcery, necromancy, or black magic.
- (figuratively, by extension) A process that is mysterious or difficult to master.
- Operating a hand card punch was something of a black art.
- 2022 November 16, Graham Eccles, “The Rest Day Working saga...”, in RAIL, number 970, page 32:
- Traincrew management has always been a bit of a black art, rather than a science. The present traincrew difficulties that beset the UK rail industry are neither new nor were they unforeseeable.
witchcraft, sorcery, black magic, etc.