mass action is a noun meaning "(neurology) the principle that the cortex of the brain operates as a coordinated system with large masses of neural tissue involved in all complex functioning". It carries one recorded sense.
(neurology) the principle that the cortex of the brain operates as a coordinated system with large masses of neural tissue involved in all complex functioning
neurology
Definitions, synonyms and semantic relations for mass action come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.