in use definition

  • adjective:
    • currently being used
    • increasingly being utilized
    • (of facilities including phones or lavatories) unavailable for usage by someone else or showing unavailability; (`engaged' is a British term for a busy telephone range)
  • noun:
    • In heat; -- stated specially of mares.

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  • Quotes for "in use"
    • "The industrial processes in use today…"
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