zonal

POS

Adjective

HYPHEN

zon=al

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WORDNET DICTIONARY

Adjective zonal has 2 senses

zonal(a = adj.pert) zonary - relating to or of the nature of a zone; "the zonal frontier"
zonal(a = adj.all) - associated with or divided into zones; "a zonal pattern of cell structure"; "zonal division"

Antonym:

azonal

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CIDE DICTIONARY

zonal, a. [L. zonalis.].

Of or pertaining to a zone; having the form of a zone or zones. [1913 Webster]

Zonal equation (Crystallog.), the mathematical relation which belongs to all the planes of a zone, and expresses their common position with reference to the axes. -- Zonal structure (Crystallog.), a structure characterized by the arrangements of color, inclusions, etc., of a crystal in parallel or concentric layers, which usually follow the outline of the crystal, and mark the changes that have taken place during its growth. -- Zonal symmetry. (Biol.) See the Note under Symmetry.