Zonal structure


Zonal structure
Zonal on"al, 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}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • zonal structure — noun : a structure characterized by the arrangements (as of color or inclusions) of a crystal in parallel or concentric layers that usually follow the outline of the crystal and mark the changes that have taken place during its growth …   Useful english dictionary

  • Zonal — on al, 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… …   The Collaborative International Dictionary of English

  • Zonal equation — Zonal on al, 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 …   The Collaborative International Dictionary of English

  • Zonal symmetry — Zonal on al, 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 …   The Collaborative International Dictionary of English

  • Zonal spherical function — In mathematics, a zonal spherical function or often just spherical function is a function on a locally compact group G with compact subgroup K (often a maximal compact subgroup) that arises as the matrix coefficient of a K invariant vector in an… …   Wikipedia

  • zonal — adjective 1. relating to or of the nature of a zone the zonal frontier • Syn: ↑zonary • Pertains to noun: ↑zone • Derivationally related forms: ↑zone (for: ↑ …   Useful english dictionary

  • Indian Railway organisational structure — The Indian Railways is organised broadly by functional groups. This is traditionally how Railways are organised the world over. The Indian Railways perhaps has been less adventurous in changing the structure; it has largely kept up what it got as …   Wikipedia

  • Flux zonal — Circulation atmosphérique Vue idéalisée des trois cellules ou zones de circulation atmosphérique La circulation atmosphérique est le mouvement à l échelle planétaire de la couche d air entourant la Terre qui redistribue la chaleur provenant du… …   Wikipédia en Français

  • Vent zonal — Circulation atmosphérique Vue idéalisée des trois cellules ou zones de circulation atmosphérique La circulation atmosphérique est le mouvement à l échelle planétaire de la couche d air entourant la Terre qui redistribue la chaleur provenant du… …   Wikipédia en Français

  • Urban structure — is the arrangement of land use in urban areas. Sociologists, economists, and geographers have developed several models, explaining where different types of people and businesses tend to exist within the urban setting. Three models are described… …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.