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ε (EN)
letter, symbol

letter “ε”

ε, epsilon
  1. den fënnefte Buschtaf vum griicheschen Alphabet (Epsilon)
    In Greek writing, words like "ἐλπίς" (hope) begin with an ε.

symbol “ε”

ε
  1. (mathematik) eng willkürlech kleng positiv Zuel
    In calculus, we let ε be as small as needed to make the function values close to the limit.