Link Centre Dictionary

infrasonic

inf·ra·so·nic

uncommon

adjective

1.

having frequencies below those of audible sound

Similar

Origin

From infra- + sonic.

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.