PLC may stand for:

Business

• Public limited company, in UK or Philippines, is a type of limited company whose shares may be sold to the public
• Program length commercial, or infomercial
• Product life cycle, the succession of stages a product goes through

Education

• Presidents Leadership Class, a leadership institution for undergraduates at the University of Colorado at Boulder.

Linguistics

• Prague linguistic circle, an influential school of linguistic thought
• Phonetic loan character, an etymologic category of Chinese characters
• Penn Linguistics Colloquium, an annual conference at the University of Pennsylvania

Medicine

• Peter Lougheed Centre, a hospital in Calgary, Alberta, Canada
• Pityriasis lichenoides chronica, the chronic version of the immune system disease Pityriasis lichenoides et varioliformis acuta
• Phospholipase C, an enzyme which cleaves PI(4,5)P2 to form IP3 and diacylglycerol

Politics

• Palestinian Legislative Council, law-making body of the Palestinian Authority
• Parti Libéral du Canada, the French name of the Liberal Party of Canada
• Partido Liberal Constitucionalista, the Spanish name of the Constitutional Liberal Party of Nicaragua

Technology

• Packet Loss Concealment, a technique to mask the effects of missing packets in VoIP communications
• Power line communication, including broadband PLC modes
• Polymorphic Lambda Calculus, a typed lambda calculus with parametric polymorphism (also known as System F)
• Planar lightwave circuit, photonic chip made by depositing doped and undoped layers of silica on a silicon substrate
• Programmable logic controller, a digital computer used for automation of industrial processes, such as control of machinery on factory assembly lines.

Military

• Platoon Leaders Course, A single ten week, or two six week program that the Marines use for possible OCS candidates, which is undertaken during the summer for college students

Miscellenea

• Polish–Lithuanian Commonwealth (1569–1795), a federal monarchic republic formed by Poland and Lithuania
• Platoon Leaders Class, the United States Marine Corps training program for Marine Officer Candidates
• Psycho le Cemu, a Japanese visual kei rock band
• Patrol Leaders' Council, the leadership body in a Boy Scout Troop
• PLC plastic
• Pigmy Love Circus, a Los Angeles based rock band.
• Parish Life Coordinator, a term used for a non-priest entrusted with the pastoral care of a Catholic parish under Canon 517.2 of the Catholic Church's Code of Canon Law
• Professional Learning Community, a movement in the education field of teachers sharing with teachers to improve learning among their students
• People's Liberation Cookies, a southern urban slang term used as a synonym for Keebler's E.L.Fudge cookies

People Life Career Magazine(PLC), a life style magazine published from Trivandrum. www.plcmag.com

Schools

Presbyterian Ladies' College (or P.L.C.) is the name of several independent girls' schools in Australia, affiliated with either the Presbyterian Church of Australia or the Uniting Church in Australia.

• Presbyterian Ladies' College, Armidale, in Armidale, New South Wales
• Presbyterian Ladies' College, Goulburn, in Goulburn, New South Wales
• Presbyterian Ladies' College, Melbourne, in Burwood, Victoria
• Presbyterian Ladies' College, Perth, in Peppermint Grove, Western Australia
• Presbyterian Ladies' College, Sydney, in Croydon, New South Wales

Similarly:

• Arden Anglican School, in Beecroft, New South Wales (Formerly Presbyterian Ladies' College, Beecroft, a preparatory school of the Presbyterian Ladies' College, Sydney)
• Pymble Ladies' College, in Pymble, New South Wales (Formerly Presbyterian Ladies' College, Pymble)
• Seymour College, in Glen Osmond, South Australia (Formerly Presbyterian Girls' College)

Schools formed by merging with a Presbyterian Ladies College:

• Ballarat and Clarendon College in Ballarat, Victoria (Clarendon Presbyterian Ladies' College)
• Kinross Wolaroi School in Orange, New South Wales (Presbyterian Ladies' College, Orange)
• Penleigh and Essendon Grammar School in Essendon, Moonee Ponds and Keilor East, Victoria (Penleigh Presbyterian Ladies College)
• The Scots PGC College in Warwick, Queensland (The Presbyterian Girls' College)

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