Zonal

прилагательное зональный, поясной

Большой англо-русский словарь

Zonal

зональный, зонный

Англо-русский научно-технический словарь

Zonal

adjective 1. of, relating to, affecting, or having the form of a zone Example: a zonal boundary 2. of, relating to, or being a soil or a major soil group marked by well-developed characteristics that are determined primarily by the action of climate and organisms (as vegetation) — compare azonal, intrazonalzonally adverb

Merriam-Webster's Collegiate Dictionary