suboctave /sub-okˈtiv/

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

• phot-
• phot.
• photic
• photics
• Photinia
• Photinias
• photism
• photisms
• photo
• photo-
• photoactive
• photo-ageing
• photobiologies
• photobiologist
• photobiologists
• photobiology
• photoblog
• photoblogs
• photobomb
• photobombed
• photobombing
• photobombs
• photo call
• photo calls
• photocatalyses