| Subject | English | Portuguese |
| commun. | geographically unique identity | identidade única a nível geográfico |
| comp., MS, Braz. | globally-unique identifier | identificador global exclusivo (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS, Braz. | globally unique identifier | identificador global exclusivo (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | globally unique identifier | identificador exclusivo global (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | globally-unique identifier | identificador exclusivo global (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| commun. | globally unique identity | identidade única a nível global |
| comp., MS, Braz. | locally-unique identifier | identificador único local (A 64-bit value that is guaranteed to be unique on the operating system that generated it until the system is restarted) |
| commun. | locally unique identity | identidade única a nível local |
| comp., MS, Braz. | Microsoft .NET Passport unique identifier | identifcador exclusivo do Microsoft .NET Passport (A unique identifier used to represent a Passport account) |
| comp., MS | Microsoft .NET Passport unique identifier | identificador exclusivo do Microsoft .NET Passport (A unique identifier used to represent a Passport account) |
| comp., MS, Braz. | organizationally unique identifier | Organizationally Unique Identifier (An unique identifier assigned to organizations and managed by the IEEE) |
| comp., MS | organizationally unique identifier | identificador exclusivo organizacional (An unique identifier assigned to organizations and managed by the IEEE) |
| commun., IT | reference unique word | palavra única de referência |
| med., pharma. | sender's case safety report unique identifier | identificador único do relatório de segurança do remetente caso |
| health., med. | unique device identification | identificação única do dispositivo |
| health., med. | unique device identifier | identificação única do dispositivo |
| nat.sc., nat.res. | unique event polymorphism | polimorfismo de evento mutacional único |
| math. | unique factor | factor único |
| math., Braz. | unique factor | fator único |
| stat. | unique factor | fator único (bra) |
| light. | unique hue | tom elementar |
| comp., MS, Braz. | unique ID | ID exclusiva (A number used as a unique identifier for each Windows Live ID holder. This number is disclosed to residents of the European Union to comply with EU privacy regulations) |
| comp., MS | unique ID | ID exclusivo (A number used as a unique identifier for each Windows Live ID holder. This number is disclosed to residents of the European Union to comply with EU privacy regulations) |
| IT, dat.proc. | unique identifier | identificador único |
| comp., MS | unique identifier | identificador exclusivo (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| comp., MS | unique index | índice exclusivo (An index in which no two rows are permitted to have the same index value, thus prohibiting duplicate index or key values) |
| health., anim.husb. | unique life number | número único vitalício |
| IT | unique name assumption | suposição de nome único |
| comp., MS, Braz. | unique permission | permissão exclusiva (A permission setting for using a list, library, or site that is different from the permission settings of its parent site) |
| commun., IT | unique postal name | nome postal único |
| fin. | unique price | preço único |
| comp., MS, Braz. | Unique Program Identifier | Identificador Exclusivo de Programa (A 21-character identifier used to identify computers enabled by FlexGo technology product models and locales for a specific solution provider) |
| econ., commer., polit. | unique selling point | argumento chave de venda |
| el. | unique serial number | número de série único |
| electr.eng. | unique type reference for accessories | referência única de tipo para aparelhagem |
| IT | unique word | palavra única |
| sat.comm. | unique word in TDMA | palavra de sincronização de salvas em TDMA |
| econ. | units characterised by a unique activity | unidades caracterizadas por uma atividade exclusiva |
| chem. | Universal Unique Identifier | identificador único universal |
| comp., MS, Braz. | universally unique identifier | identificador universal exclusivo (A 16-byte value generated from the unique identifier on a device, the current date and time, and a sequence number. It is used to identify a particular device, component, user, or session) |
| med., pharma. | worldwide unique case identification number | número único a nível mundial de identificação do caso |