semianechoic room

semianechoic room

[¦sem·ē‚an·e′kō·ik ′rüm]
(acoustics)
A room having surfaces which reduce the reflection of sound to less than normal, although not to as great an extent as an anechoic room.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.