Definition of step wedge in English:

step wedge

Syllabification: step wedge

noun

Photography
  • A series of contiguous, uniformly shaded rectangles growing progressively darker, from white (or light gray) at one end to black (or dark gray) at the other.
    More example sentences
    • We use the step wedge by matching a tone in our negative to a stripe of tone in the step wedge.
    • It seems like it would be a lot easier to see in the step wedge than while viewing a print.
    • Run the mouse across the step wedge to the middle gray.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
noun
elaborate ornamentation of a vocal melody