suboctave /sub-okˈtiv/

1. The octave below
2. (also suboctave coupler) an organ coupler that gives an octave below

• biophysics
• biopic
• biopics
• biopiracies
• biopiracy
• bioplasm
• bioplasmic
• bioplasms
• bioplast
• bioplasts
• biopoieses
• biopoiesis
• biopolymer
• biopolymers
• bioprospect
• bioprospected
• bioprospecting
• bioprospects
• biopsies
• biopsy
• biopsychological
• biopsychologies
• biopsychology
• biopsychosocial
• bioreactor