noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A measurement device used in ohmmeters, having two coils, one connected via a series resistor to the battery supply and the other connected to the same battery supply via a second resistor and the resistor under test. The indication on the meter was proportional to the ratio of the currents through the two coils.

Etymology

From ratio + meter.

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