ScienceAugust 26, 2026
anechoic
AN-uh-KOH-ik
Definition
Describes a room or space designed to completely absorb sound reflections, preventing echoes and allowing for the study of sounds without interference.
Etymology
Derived from the Greek prefix 'an-' (without) and 'echo', combined with the suffix '-ic' to form an adjective meaning 'without echo'.
In the news
Researchers placed mice in an anechoic chamber to isolate them from external noise, ensuring the silence condition was controlled and free from ambient reverberations.
In a 2013 experiment, mice spent two hours a day in near-total silence. To researchers’ surprise, silence—not Mozart, pup calls or white noise—was the only condition linked to increased numbers of seven-day-old immature neurons in the hippocampus, altho
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