Definition of "sur" []

• A form of the prefix super- found in words from the older French. It is little used as an English formative, except technically in certain scientific terms, where it is equivalent to super- or supra-: as, suranal, surangular, surrenal, etc.

The Century Dictionary (Public Domain)

• "The _Hydrogéologie_ closes with a "_Mémoire sur la matière du feu_" and one "_sur la matière du son_," both being reprinted from the _Journal de"
• "BTW, I like to bake potatoes (scrubbed and pierced, of course) in the oven sans foil but oiled with olive oil, the skins get nice and crispy and that, bien sur, is the best part!"
• "I think Abin sur has more to do with this than we thought."