block system (English, noun)
expansion: block system (plural block systems)
Senses:
topics: rail-transport
railways
transport
glosses: On railways, a system by which the track is divided into sections of three or four miles, and trains are run by the guidance of electric signals so that no train enters a section or block before the preceding train has left it.
topics: mathematics
sciences
glosses: Given a group G that acts on a set X, a partition of X that is G-invariant.
Forms:
form: block systems
tags: plural