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


Read Also:

  • Gray cataract

    gray cataract n. A cataract of gray color usually occurring in senile, mature, or cortical cataracts.

  • Gray-catbird

    noun 1. See under . [kat-burd] /ˈkætˌbɜrd/ noun 1. any of several American or Australian birds having catlike cries, especially Dumetella carolinensis (gray catbird) of North America. /ˈkætˌbɜːd/ noun 1. any of several North American songbirds of the family Mimidae (mockingbirds), esp Dumetella carolinensis, whose call resembles the mewing of a cat 2. any of […]

  • Gray-cheeked thrush

    [grey-cheekt] /ˈgreɪˌtʃikt/ noun 1. a North American thrush, Catharus minimus, having olive upper parts and grayish cheeks.

  • Gray code

    noun 1. a modification of a number system, esp a binary code, in which any adjacent pair of numbers, in counting order, differ in their digits at one position only, the absolute difference being the value 1 hardware A binary sequence with the property that only one bit changes between any two consecutive elements (the […]

Disclaimer: Gray-card definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.