Noise __ Headphones, Sound-Blocking Technology
This page is the CodyCross answer for the clue below from African grasslands, Group 1547, Puzzle 1 (Olduvai Gorge).
Question is: Noise __ Headphones, Sound-Blocking Technology
and the answer is: CANCELING
Word Meaning:
CANCELING — present participle and gerund of cancel
Definitions from Wiktionary.