open-end

adjective
  1. a : permitting additional debt to be incurred under the original debt instrument subject to specified conditions — see also open-end mortgage at mortgage

    b : having fluctuating capitalization of shares that are issued or redeemed at the current net asset value or at a figure in fixed ratio to this an open-end investment company — compare closed-end

    c : calling for the filling by a particular contractor of all government needs for a specific product during a specified period an open-end contract