rounding (EN)
noun

This word can also be a form of:
round (verb)

noun “rounding”

sg. rounding, pl. roundings or uncountable
  1. the process of adjusting a number to its nearest value for simplicity
    During the math test, she made a mistake in the rounding of the number 3.55.
  2. the action of shaping something to have a circular form, like how the lips move when saying certain sounds
    She practiced rounding her mouth to perfect the pronunciation of "o" sounds in her language class.