from The American Heritage® Dictionary of the English Language, 4th Edition

  • adj. Of or associated with a zone.
  • adj. Divided into zones.
  • adj. Geology Of or relating to soil characterized by well-developed horizons, reflecting the type of vegetation the soil supports and the climate to which it is exposed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Divided into zones.
  • adj. Related to, associated with, or similar to zones.
  • adj. Roughly longitudinal movement of air or ocean currents (east to west, or west to east).

from the GNU version of the Collaborative International Dictionary of English

  • adj. Of or pertaining to a zone; having the form of a zone or zones.

from The Century Dictionary and Cyclopedia

  • In phytogeography, in or relating to œcological zones or belts. See zonc, 8.
  • Having the character of a zone or belt.
  • Of or pertaining to the rings, somites, or body-segments of an articulate or annulose animal; arthromeric; metameric: as, zonal symmetry, the serial homology or metameric symmetry of a segmented animal, as an arthropod or an annelid. See symmetry, 5 .
  • In crystallography, arranged in zones: as, the zonal structure of a mineral.
  • In botany, noting that view of a diatom in which the zone or suture of the valves is presented to the eye—the “front view” of some writers.
  • In horticulture, marked on the leaves with a zone or circle, as many pelargoniums, also called horscshoe geraniums.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adj. associated with or divided into zones
  • adj. relating to or of the nature of a zone


from Wiktionary, Creative Commons Attribution/Share-Alike License

Originated 1865–70 from zone + -al.


  • What are known as zonal geraniums are the species Pelargonium zonale, which originates in the mild Cape region of South Africa.

    The Seattle Times

  • These storms are a function of the temperature difference across the boundary between the cool polar air and warm subtropical air often referred to as the zonal index.

    The Coming Katrina Anniversary « Climate Audit

  • Rejects the idea of zonal mutual recognition of products.

  • This kind of zonal flow in the outer core has not been seen in geodynamo models before, due largely to lack of sufficient resolution in earlier models.

    Does Zonal Swishing Play a Part in Earth's Magnetic Field Reversals? | Universe Today

  • Typical communities for a particular latitude are called "zonal", but local variation at the landscape level occurs and these "intrazonal communities" are frequently associated with variations in soil moisture and snow accumulation [4].

    Effects of changes in climate and UV radiation levels on structure of arctic ecosystems in the short and long term

  • He saw the low, sweet-scented geraniums of lemon, rose and nutmeg odors, persisting through the winter unblighted, and the round-leaved, "zonal" sorts surprisingly large of growth -- in one case, on a division fence, trained to the width and height of six feet.

    The Amateur Garden

  • Kageyama told physicsworld. com that this kind of zonal flow has never been included in geodynamo models to date and that it could provide a "hint" about the mechanism of polar reversal. all content

  • During the past week, the pattern has become "zonal", which is characterized by a relatively straight flow of air from west to east across the nation.

    The Daily News - News

  • Geographic features, such as mountain ridges, which mark the boundary of different climatic zones, occur at scales much smaller than the typical grids in GCMs, which means the GCMs get these zonal boundaries wrong, especially when coarse-grain predictions are downscaled.

    Uncertainties and challenges in climate science | Serendipity

  • But Swiss plant breeder Syngenta says the flower is identical to the Calliope Hybrid Geranium, which it developed over 14 years by crossing species of ivy geraniums used in hanging baskets with zonal geraniums in pots.

    The Garden Gloves Come Off


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