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Definitions of mum
  1. adjective
    failing to speak or communicate etc when expected to
  2. noun
    of China
    type of:
  3. noun
    informal terms for a mother
  4. noun
    secrecy
    "mum's the word"
Definition that contains mum
  • call a demand by a broker that a customer deposit enough to bring his margin up to the minimum requirement
  • black being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light
  • line the maximum credit that a customer is allowed
  • white being of the achromatic color of maximum lightness; having little or no hue owing to reflection of almost all incident light
  • throw the maximum movement available to a pivoted or reciprocating piece by a cam
  • smoke (baseball) a pitch thrown with maximum velocity
  • bullet (baseball) a pitch thrown with maximum velocity
  • focus maximum clarity or distinctness of an idea
  • focus maximum clarity or distinctness of an image rendered by an optical system
  • stroke the maximum movement available to a pivoted or reciprocating piece by a cam
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