p.a.

• p.a.

• P.A.

p.a.

Noun

an electronic amplification system used as a communication system in public areas

Synonyms:

• public address system
• P.A. system
• PA system
• P.A.
• PA

Rule

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"

Synonyms:

• per annum
• p.a.
• per year
• each year
• annually