Wiktionary
subharmonics
n. (plural of subharmonic English)
Usage examples of "subharmonics".
Then the savage lash of subharmonics which heralded the opening of a major temporal gate struck Skeeter square in the skull bones.
A fierce headache comprised of equal parts low blood sugar, stress, and gate subharmonics blossomed, causing him to wince.
Then the gate rumbled open with a skull-splitting backlash of subharmonics and the returning tour staggered through, jabbering animatedly.