1 Monica (given name) 2  Monica (singer), R&B singer. 3  Monica (actress), an Indian film actress.  Saint Monica, mother of Augustine.
Definition of triangulation for English Language Learners. : a method of finding a distance or location by measuring the distance between two points whose exact location is known and then measuring the angles between each point and a third unknown point.
Denzin proposes four reasons for undertaking triangulation: 1  Enriching: The outputs of different informal and formal instruments add value to each other by explaining different aspects of an issue. 2  Refuting: Where one set of options disproves a hypothesis generated by another set of options.