ratiometer

[ rey-shee-om-i-ter ]

noun
  1. (in three-color photography) a device for determining the exposure factors of the filters to be used.

Origin of ratiometer

1
1920–25, for an earlier sense; ratio + -meter

Words Nearby ratiometer

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024