areal

from WordNet (r) 3.0 (2006)

areal
    adj 1: of or relating to or involving an area

from The Collaborative International Dictionary of English v.0.48

Areal \A"re*al\, a. [Cf. L. arealis, fr. area.]
   Of or pertaining to an area; as, areal interstices (the areas
   or spaces inclosed by the reticulate vessels of leaves).
   [1913 Webster]