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definitions

sulphatise

[suhl-fuh-tahyz]
verb (used with object), sul·phat·ised, sul·phat·is·ing.
  1. Chiefly British. sulfatize.

sulfatize

[suhl-fuh-tahyz]
verb (used with object), sul·fat·ized, sul·fat·iz·ing.
  1. to convert into a sulfate, as by the roasting of ores.
Also especially British, sul·phat·ise.

Origin of sulfatize

sulfate + -ize
Related formssul·fat·i·za·tion, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018