bi-level

/B AY1 L EH0 V AH0 L/
noun
  1. 1

    A house with two adjacent levels that are less than a story apart

    โ€œThey live in a little bilevel on the edge of town.โ€

  2. 2

    A binary image, one that has only two possible values for each pixel (usually black and white)

Synonyms

adjective
  1. 1

    Having two levels

    โ€œWe developed a bilevel approach to the problem.โ€

Source: https://en.wiktionary.org/wiki/bi-level, https://en.wiktionary.org/wiki/bilevel