noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A device that modifies a signal with a delayed copy of itself in order to detect any periodic signal hidden in the noise
2. 2
   A device that uses interferometry to detect autocorrelation of optical beams

Etymology

From auto- + correlator.

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