Definition

The method of creating maps or drawings using photographs, particularly those taken from the air, to obtain accurate measurements.

Example

Photogrammetry is widely used in surveying and mapping to create detailed topographic maps.

Conversation

Have you heard about photogrammetry?

Yeah, it's that cool technique using photos to create maps, right?

Exactly! I saw a documentary where they used photogrammetry for archaeological sites.

That sounds fascinating! I’d love to see how it works in action.

Synonyms & Antonyms

Root Explanation

Photogrammetry → It is formed from "photo-" (from Greek "phōs", meaning light) and "grammetry" (from Greek "gramma", meaning something written or drawn, and "metria", meaning measurement). The word refers to the measurement of objects using light, typically through photographs.

Memory Tip

Think of 'light' ('photo-') being used to 'measure' ('grammetry') objects, which helps you remember that photogrammetry is about measuring using light.

Visually Confused Words