p.a.
Explore definitions, synonyms, and language insights of p.a.
Definitions
                    Adverb
                    
                by the year; every year (usually with reference to a sum of money paid or received); "he earned $100,000 per annum"; "we issue six volumes per annum"
                
                    Noun
                    
            an electronic amplification system used as a communication system in public areas