What does triangulate mean?
To triangulate is to determine a position or establish a conclusion by combining independent measurements or sources. In surveying, astronomy, and navigation, the word refers to using known reference points and geometric calculations to locate an unknown point. In mathematics and graphics, it can mean dividing an area or surface into triangles for analysis or modelling. Figuratively, triangulating means checking a claim or reconstructing an answer through more than one independent source, such as a document, eyewitness account, and data set. The word carries a connotation of precision, verification, and disciplined reasoning. It is useful because it describes a reliable method for overcoming uncertainty: rather than relying on a single measurement or account, triangulate combines separate lines of evidence until they converge on a defensible result.
verbTo determine the position or distance of a point by using measurements from known locations, or to divide a geometric area into triangles. In figurative use, it means to establish a conclusion or assess something by combining independent sources of information.
- To determine the position or distance of a point by using measurements from known locations, especially in surveying, navigation, or astronomy.
- To divide a geometric area or surface into triangles, especially to represent or analyse it in mathematical models.
- To infer, verify, or assess something by combining independent sources of evidence or information.
"Surveyors triangulated the position of the remote peak using signals from three reference stations."
"By triangulating signals from three observatories, the team calculated the precise location of the aircraft."
"Researchers triangulated the findings by comparing independent surveys, interviews, and archival records."
Three reference points can turn an uncertain location into a precise fix on the map.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of triangulate
The English word comes through Latin triangulare, formed from triangulum, meaning “a triangle.” The Latin word in turn reflects Greek trigonon, from roots meaning “three” and “angle.” The sense of measuring or locating points by triangles developed from the established geometrical practice of using triangular relationships to calculate unknown positions.
Related word forms
How triangulate is actually used
The word is formal and technical in its geometrical and surveying senses. Its figurative use is especially common in research, journalism, and analysis, where several independent sources are used to confirm a conclusion.
Easily confused with triangulate
A triangle is a geometric figure with three sides, while to triangulate is to use geometric measurements to locate a point or divide an area into triangular sections.