anechoic

adjective

an·​echo·​ic ˌa-ni-ˈkō-ik 

: free from echoes and reverberations

an anechoic chamber

Examples of anechoic in a Sentence

Recent Examples on the Web

The agency spokesperson says that the anechoic chamber hadn’t been upgraded since 1997 and that its microwave-absorbing foam spires were crumbling. — Eric Niiler, Scientific American, 22 Sep. 2026

Ludwigsen played each of the five commercial slapsticks five times in an anechoic environment, minimizing any acoustic room effects with absorbing wedges. — ArsTechnica, 1 June 2026

Moreover, advanced indigenous sonar systems such as USHUS and Panchendriya, along with anechoic tiles, improve the sub’s stealth and detection capabilities. — Georgina Jedikovska, Interesting Engineering, 23 Feb. 2026

An anechoic hull coating is designed to reduce threats from hostile active sonar. — Hartford Courant, 23 Dec. 2022

Against this anechoic background, the most noticeable sound at highway speed is the distant, rubbery thump from the optional 22-inch rims and all-season tires. — Dan Neil, WSJ, 1 Dec. 2022

Also stuck to the carrier's hull were tiles from the Soviet sub's anechoic coating, polymers that enable it to be quieter in the water. — Brad Lendon, CNN, 14 Mar. 2022

His lab uses an anechoic chamber, covered on all sides by sound-dampening material and outfitted with a suite of eight microphones, to test the frequency, wavelength and amplitude of sound. — Katharine Gammon, Discover Magazine, 18 Feb. 2022

Singers from the Binchois Consort recorded the music in an anechoic chamber—a space free of any acoustic elements that sound could bounce against. — Livia Gershon, Smithsonian Magazine, 6 Apr. 2021

Word History

First Known Use

1946, in the meaning defined above

Rhymes for anechoic

• dichroic
• gabbroic
• heroic
• allantoic
• cenozoic
• mesozoic
• pleochroic
• paleozoic
• phanerozoic
• proterozoic
• stoic