discolouration

plural discolourations

1. UKalternativecountableuncountableAlternative spelling of discoloration.

   […] one tablet completely sterilises a quart of water, tastelessly, without discolouration or odour.

   1938, The Homestead, numbers 1170-1196, page 14

   1 more example

   We detect wrinkles, discolourations and pores, and subtract them from a woman’s beauty in ways we don’t if that same face is presented to us as masculine.

   2018 March 6, Lili Loofbourow, “The male glance: how we fail to take women’s stories seriously”, in The Guardian