divisional
 (a.)分劃上的,區分的,分區的
 di·vi·sion·al /-ˈvɪʒnəl, ˈvɪʒənḷ/ 形容詞
 Di·vi·sion·al a. That divides; pertaining to, making, or noting, a division; as, a divisional line; a divisional general; a divisional surgeon of police.
 Divisional planes Geol., planes of separation between rock masses. They include joints.
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 divisional
      adj 1: of or relating to a military division; "divisional
             artillery"
      2: serving to divide or marking a division; "the divisional
         line between two states" [syn: dividing]
      3: constituting a division or an aliquot part of the basic
         monetary unit; "American divisional (fractional) coins
         include the dime and the nickel"; "fractional currency is
         currency in denominations less than the basic monetary
         unit"