sulphur-free

English

Alternative forms

• (non-Commonwealth spelling) sulfur-free

Etymology

From sulphur +‎ -free.

Adjective

sulphur-free (not comparable)

1. (British spelling) Not containing any sulphur.
   • 2021 July 14, “Network News: Total Rail Solutions switches to HVO”, in RAIL, number 935, page 19:

     Bateman added: "In addition, HVO is sulphur-free, so it is less corrosive in our engines. [...]."