| Subject | Spanish | English |
| mech.eng. | dispositivo de activación diferencial p2-p1 | p2-p1 differential pressure starting control |
| food.ind. | 2,6-di-terc-butil-p-cresol | butylated hydroxytoluene |
| food.ind. | 2,6-di-terc-butil-p-cresol | 4-methyl-2,6-ditert-butyl-phenol |
| food.ind. | 2,6-di-terc-butil-p-cresol | 4-Methyl-2,6-ditertiarybutylphenol |
| comp., MS | encabezado P2 | P2 header (A hidden section of an e-mail message. From the time a message is first created, information about it is added to the message header, including technical details, such as who created the message and the software used to compose it) |
| chem. | Na4P2O7 | neutral sodium pyrophosphate |
| chem. | Na4P2O7 | Na4P2O7 |
| chem. | Na2H2P2O7 | Na2H2P2O7 |
| chem. | Na2H2P2O7 | acid sodium pyrophosphate |
| commun., IT | P2 | interpersonal messaging protocol |
| chem. | P2I4 | phosphorus di-iodide |
| chem. | P2O-H4 | pyrophosphoric acid |
| chem. | P2O-H4 | H4P207 |
| chem. | P2S5.P4S10 | P4S10 |
| chem. | P2S5.P4S10 | phosphorus pentasulfide |
| chem. | P2S5.P4S10 | P2S5 |
| comp., MS | recurso compartido P2P | P2P share (A folder or directory used by peer-to-peer file-sharing software as a destination for receiving files from other users or a source from which other users may download files) |
| gen. | respirador de filtro A/P2 para vapor orgánico y polvo nocivo | A/P2 filter respirator for organic vapour and harmful dust |
| gen. | respirador de filtro P2 para partículas nocivas | P2 filter respirator for harmful particles |
| med., chem. | 2,3,7,8-tetraclorodibenzo-p-dioxina | dioxin |
| med., chem. | 2,3,7,8-tetraclorodibenzo-p-dioxina | 2, 3, 7, 8-tetrachlorodibenzo-para-dioxin |
| med., chem. | 2,3,7,8-tetraclorodibenzo-p-dioxina | 2, 3, 7, 8-tetrachlorodibenzo-p-dioxin |