| NOUN | artifact | P.A., public address system, P.A. system, PA system, PA | an electronic amplification system used as a communication system in public areas |
|---|---|---|---|
| ADVERB | all | p.a., per annum, per year, each year, annually | by the year |
| Meaning | An electronic amplification system used as a communication system in public areas. | |
|---|---|---|
| Synonyms | public address system, P.A. system, PA system, PA | |
| Parts | amplifier | electronic equipment that increases strength of signals passing through it |
| loudspeaker, speaker, speaker unit, loudspeaker system, speaker system | electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance | |
| tannoy | A loudspeaker | |
| Broader | communication system | A system for communicating |
| Spanish | megafonía | |
| Catalan | megafonia | |
| Meaning | By the year; every year (usually with reference to a sum of money paid or received). | |
|---|---|---|
| Synonyms | per annum, per year, each year, annually | |
| Spanish | anualmente | |
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