gold-plating

[ gohld-pley-ting ]
/ ˈgoʊldˈpleɪ tɪŋ /

noun

the incorporation of costly and unnecessary features or refinements into a product or structure.
any expensive nonessential item, convenience, or feature: an apartment with a sauna and other gold-plating.

Origin of gold-plating

First recorded in 1960–65

Definition for gold-plating (2 of 2)

gold-plate
[ gohld-pleyt ]
/ ˈgoʊldˈpleɪt /

verb (used with object), gold-plat·ed, gold-plat·ing.

to coat (base metal) with gold, especially by electroplating.
to incorporate costly features or refinements into (something) unnecessarily: The engineers were accused of gold-plating the construction project.

British Dictionary definitions for gold-plating

gold-plate

verb

(tr) to coat (other metal) with gold, usually by electroplating