What does areal mean?
The definition of areal
A”re*al, a.
Etym: [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).
An English Dictionary
Of or pertaining to an area; as, areal interstices (the areas or spaces inclosed by the reticulate vessels of leaves).