gray card

  1. a card of controlled reflectance held near a subject to approximate middle tones and used as a target for an exposure meter.

Words Nearby gray card Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use gray card in a sentence

  • Here they write your whole history down on a field-gray card.

    Germany in War Time | Mary Ethel McAuley
  • From a square of gray card-board Mariana smiled at him, the aureole of her hair defined against a dark background.