D defs.my
Entry 2 senses Webster, 1913

operating

· IPA /ˈɑpəɹeɪtɪŋ/
01 adj. pr. p. of operate; as, the operating conditions of the oxidation pond.
  1. 1.
    pr. p. of operate; as, the operating conditions of the oxidation pond. See: operate
  2. 2.
    having an effect or influence.
Syn. at work(predicate), in operation, operant.