diphyletic /dif-i- or dī-fi-letˈik/ (biology)

1. Of dual origin
2. Descended from two distinct ancestral groups

• downshifted
• downshifter
• downshifters
• downshifting
• downshiftings
• downshifts
• downside
• downsides
• down-sitting
• down-sittings
• downsize
• downsized
• downsizer
• downsizers
• downsizes
• downsizing
• downsizings
• down south
• downspout
• downspouts
• Down's syndrome
• downstage
• downstair
• downstairs
• downstate