Definition of blanc fixe in US English:

blanc fixe

noun

  • Barium sulfate in the form of a white powder used in making pigments and paper.

    • ‘I can render opaque pigment translucent/transparent with blanc fixe and keep the paint - pigment rich and oil poor.’
    • ‘The major drawback to the lead filler is that it turns black on exposure to sulfur, so chalk or blanc fixe were used instead.’

Pronunciation

blanc fixe

/bläN ˈfēks/