blanc de blancs

or blanc de blanc

[ blahngk duh blahngk; French blahn duh blahn ]
/ ˈblɑŋk də ˈblɑŋk; French blɑ̃ də ˈblɑ̃ /

noun

a type of champagne made entirely from the white grape Pinot Blanc.
a white table wine, sometimes sparkling, made entirely from white grapes.

Origin of blanc de blancs

< French: literally, white from whites
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019