sub·har·mon·ic 
(sŭb′här-mŏnĭk)
(sŭb′här-mŏnĭk)adj.
Of, relating to, or being a wave with a frequency that is a fraction of a fundamental frequency.
- postmodernist
- postmortem
- post mortem
- postmortem examination
- postnasal
- postnasal drip
- postnatal
- postnatally
- postnuptial
- postnuptially
- post office
- post office box
- post-op
- postop
- postoperative
- postoperatively
- postorbital
- postpaid
- postpartum
- post-polio syndrome
- postponable
- postpone
- postponement
- postpose
- postposition