noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Alternative form of antinoise; engineered sound waves, the exact mirror image (same frequency, opposite phase) of unwanted noise, which are played to create destructive interference, effectively canceling out the original sound to produce quietness, primarily used in noise-canceling headphones and systems for constant low-frequency sounds like engine hums. alt-of, alternative, uncountable

Etymology

From anti- + noise.

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