Opisometer

//ɒpɪˈsɒmɪtə(ɹ)// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A device for measuring the length of curved lines, such as on a map.

Etymology

From Ancient Greek ὀπίσω (opísō, “backward”) + -meter.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.