surtax /sûrˈtaks/

1. An additional tax
2. Tax payable on incomes above a certain high level (term not in official use in this sense)

1. To tax additionally
2. To charge surtax

• photisms
• photo
• photo-
• photoactive
• photo-ageing
• photobiologies
• photobiologist
• photobiologists
• photobiology
• photoblog
• photoblogs
• photobomb
• photobombed
• photobombing
• photobombs
• photo call
• photo calls
• photocatalyses
• photocatalysis
• photocatalytic
• photocathode
• photocathodes
• photo CD
• photocell
• photocells