ZONALLY

Etymology

Adverb

zonally (comparative more zonally, superlative most zonally)

in zones.

in a manner related to, associated with, or similar to zones.

Source: Wiktionary

ZONAL

Zon"al, a. Etym: [L. zonalis.]

Definition: Of or pertaining to a zone; having the form of a zone or zones. 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.

Source: Webster’s Unabridged Dictionary 1913 Edition