Meaning of “pa” in the English Dictionary

"pa" in British English

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panoun [ C ]

uk /pɑː/ us /pɑː/ informal old-fashioned

p.a.adverb

uk /ˌpiːˈeɪ/ us /ˌpiːˈeɪ/

PAnoun

uk /ˌpiːˈeɪ/ us /ˌpiːˈeɪ/

PA noun (SOUND EQUIPMENT)

[ C usually singular ] also PA system abbreviation for public address system (= equipment for making sound, especially someone's voice, louder in a public place):

They've just announced on the PA that our flight's been delayed.

PA noun (MEDICAL)

[ C ] specialized medical abbreviation for pulmonary artery (= the artery that carries dexogygenated blood from the heart to the lungs)

PA noun (ADDRESS)

written abbreviation for the US state of Pennsylvania: used in addresses

(Definition of “pa” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"pa" in American English

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panoun [ C ]

us /, / infml

father:

Do you know where pa went?

physics abbreviation forpascal

(Definition of “pa” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"PA" in Business English

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PAnoun [ C ]

uk us

WORKPLACE abbreviation for personal assistant: someone whose job is helping someone in a higher position, especially by writing letters, arranging meetings, and making phone calls:

PA to sb She is PA to the director of the organization.

COMMUNICATIONS abbreviation for public address system: a system used to make announcements or play music in public places

p.a.adverb

also pa uk us

→  per annum :

The illustration assumes investment growth of just 1% p.a. after inflation and charges.

(Definition of “PA” from the Cambridge Business English Dictionary © Cambridge University Press)