| Acronym | Sense | Language | Topics |
|---|---|---|---|
| PCR | Payload Changeout Room | In English | → Astronautics |
| PCR | Payload Checkout Room | In English | → Astronautics |
| PCR | Payload Clean Room | In English | → Astronautics |
| PCR | Power Change Request | In English | → Quality management → Electrical engineering |
| PCR | Procedure Change Request | In English | → Quality management |
| PCR | Program Change Request | In English | → Quality management |
| PCR | Project Control Room | In English | → Management |
| PCR | Publication Change Request | In English | → Quality management |
| PCR | Polymerase Chain Reaction = ACP | Amplification en Chaîne par Polymérase | In French = TAN | Test d'amplification des Acides Nucléiques | In French = RCP | Reação em Cadeia da Polimerase | In Portuguese = ПЦР | Полимера́зная Цепна́я Реа́кция | In Russian = PĈR | Polimeraza Ĉen-Reakcio | In Esperanto = PZR | Polimeraz Zəncir Reaksiyası | In Azerbaijani = ՊՇՌ | Պոլիմերազային շղթայական ռեակցիան | In Armenian = PGR | Polimerazinė Grandininė Reakcija | In Lithuanian = ПГУ | Полимеразын Гинжин Урвал | In Mongolian = ПЛР | Полімеразна Ланцюгова Реакція | In Ukrainian |
In English | → Biotechnology → Genetics → Enzymes |
| PĈR | Polimeraza Ĉen-Reakcio = PCR, ACP, TAN, RCP, ПЦР, PZR, ՊՇՌ, PGR, ПГУ, ПЛР (look above) |
In Esperanto | → Biotechnology → Genetics → Enzymes |
| PCR | Projet Collectif de Recherche | In French | → Organizations and associations → Research policy |