identifier
noun
iden·ti·fi·er ī-ˈden-tə-ˌfī(-ə)r 
ə-
: one that identifies
Example Sentences
Recent Examples on the Web Such linkages can be achieved with technologies that de-identify a patient’s personal information (like name and address) and replace it with an anonymous identifier. 
Elenee Argentinis, STAT, 12 Aug. 2022 Apple’s Facebook-breaker feature, App Tracking Transparency (ATT), asks people to opt-in to tracking via the identifier for advertisers (IDFA). Kate O'flaherty, Forbes, 13 Aug. 2022 The lack of a geographic identifier makes for strange reading. Los Angeles Times, 5 July 2022 Google still enables this tracking identifier by default, and until recently did not even provide consumers with an opt-out. Jon Brodkin, Ars Technica, 24 June 2022 Despite Latinx being around for years, only 23% of Hispanics in the U.S. are familiar with the term and only 3% use it as an identifier. Selena Barrientos, Good Housekeeping, 15 July 2022 The style of dress has been made popular in Black communities and by some hip-hop artists but at the same time has been used as an identifier to police young, Black men as well. Elise Brisco, USA TODAY, 12 May 2022 Some models received a mid-cycle refresh that bumped individual specs but didn't change the model identifier. Andrew Cunningham, Ars Technica, 1 July 2022 This lets users enter data into the app without adding their name, email or technical identifier. Jennifer Korn, CNN, 8 July 2022 See More
Elenee Argentinis, STAT, 12 Aug. 2022 Apple’s Facebook-breaker feature, App Tracking Transparency (ATT), asks people to opt-in to tracking via the identifier for advertisers (IDFA). Kate O'flaherty, Forbes, 13 Aug. 2022 The lack of a geographic identifier makes for strange reading. Los Angeles Times, 5 July 2022 Google still enables this tracking identifier by default, and until recently did not even provide consumers with an opt-out. Jon Brodkin, Ars Technica, 24 June 2022 Despite Latinx being around for years, only 23% of Hispanics in the U.S. are familiar with the term and only 3% use it as an identifier. Selena Barrientos, Good Housekeeping, 15 July 2022 The style of dress has been made popular in Black communities and by some hip-hop artists but at the same time has been used as an identifier to police young, Black men as well. Elise Brisco, USA TODAY, 12 May 2022 Some models received a mid-cycle refresh that bumped individual specs but didn't change the model identifier. Andrew Cunningham, Ars Technica, 1 July 2022 This lets users enter data into the app without adding their name, email or technical identifier. Jennifer Korn, CNN, 8 July 2022 See More Word History
First Known Use
1807, in the meaning defined above