acute organic brain syndrome is a noun meaning "any disorder (as sudden confusion or disorientation) in an otherwise normal person that is due to reversible (temporary) impairment of brain tissues (as by head injuries or drugs or infection)". It carries one recorded sense.
any disorder (as sudden confusion or disorientation) in an otherwise normal person that is due to reversible (temporary) impairment of brain tissues (as by head injuries or drugs or infection)
Definitions, synonyms and semantic relations for acute organic brain syndrome come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.