PCH
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English[edit]
Proper noun[edit]
PCH
- Initialism of Pacific Coast Highway, segments of California State Route 1
- Initialism of Packet Clearing House, an Internet infrastructure support organization
- Initialism of Patrimoine canadien/Canadian Heritage, the Department of Canadian Heritage
- Initialism of Portcullis House, a parliamentary building in London
Noun[edit]
PCH (uncountable)
- Initialism of paroxysmal cold hemoglobinuria.