platinate

2
[plat-n-eyt]

verb (used with object), plat·i·nat·ed, plat·i·nat·ing.

to platinize.

Origin of platinate

2
First recorded in 1885–90; platin(um) + -ate1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019