| Subject | Catalan | English |
| comp., MS | funció de relació | relationship role (A set of text labels describing the role accounts and contacts play with opportunities as well as other accounts and contacts) |
| environ. | relació causa-efecte | cause-effect relation The relating of causes to the effects that they produce |
| math. | relació confluent | confluent relation |
| cinema | relació d’aspecte | aspect ratio |
| math. | relació de Bartlett | Bartlett relation |
| comp., MS | relació de client | customer relationship (An association between a customer (account or contact) and a partner (account or contact)) |
| comp., MS | relació de confiança | trust relationship (A logical relationship established between domains to allow pass-through authentication, in which a trusting domain honors the logon authentications of a trusted domain) |
| cinema | relació de format | aspect ratio |
| comp., MS | Relació de la Xarxa comercial | Business Network relationship (An explicit (for example, "colleague") or implicit (for example, "sent 100 emails in the last 30 days") relationship, with inherent strength, between people in the Business Network) |
| comp., MS | relació de persona | person relationship (In the Business Network feature in CRM, the connection that a person has to another person, whether explicit, where the relationship is defined, or implicit, where the people may have had contact, but the relationship is not defined) |
| comp., MS | relació de privadesa | privacy relationship (A setting that determines how much information a contact can view about you) |
| comp., MS | relació d'oportunitat | opportunity relationship (In a relationship role, a relationship between a customer (account or contact) and an opportunity) |
| environ. | relació dosi-efecte | dose-effect relationship The relation between the quantity of a given substance and a measurable or observable effect |
| math. | relació dosi-resposta | dose-response relationship |
| environ. | relació estructura-activitat | structure-activity relationship The association between a chemical structure and carcinogenicity |
| environ. | relació força-calor | power-heat relation The ratio of the work done by an engine to the heat supplied |
| math. | relació funcional | functional relationship |
| environ. | relació home-natura | man-nature relationship |
| environ. | relació pública | public relations The methods and activities employed by an individual, organization, corporation, or government to promote a favourable relationship with the public |
| math. | relació reversible | reversible relation |
| environ. | relació salut - medi ambient | health-environment relationship Relationship between the quality of the environment and the health conditions of individuals |