from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Generating or using waves or vibrations with frequencies below that of audible sound.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Having frequencies below the human audible range
  • adj. Generating or employing such sound waves

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. having frequencies below those of audible sound


Sorry, no etymologies found.



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