magnification - definition and synonyms

noun 

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/ˌmæɡnɪfɪˈkeɪʃ(ə)n/
singularmagnification
pluralmagnifications
  1. 1
    [uncountable] the act of making something appear bigger than it really is
  2. 2
    [countable/uncountable] the power of a piece of equipment to make something appear bigger than it really is