Element

From Glossary of Meteorology



element

  1. Smallest entity that is capable of possessing chemical characteristics and that cannot be changed into smaller neutral units by chemical reaction.

    Elements in their pure form may exist in atomic forms, for example, He, Ne, or may be associated into molecular units such as H2, O2, graphite, or diamond.

  2. Any one of the properties or conditions of the atmosphere that together specify the physical state of weather or climate at a given place for any particular moment or period of time; the climatic elements, meteorological elements.

  3. The smallest definable object of interest in a scene.

    It is a single item in a collection, population, or sample.


Copyright 2024 American Meteorological Society (AMS). For permission to reuse any portion of this work, please contact permissions@ametsoc.org. Any use of material in this work that is determined to be “fair use” under Section 107 of the U.S. Copyright Act (17 U.S. Code § 107) or that satisfies the conditions specified in Section 108 of the U.S.Copyright Act (17 USC § 108) does not require AMS’s permission. Republication, systematic reproduction, posting in electronic form, such as on a website or in a searchable database, or other uses of this material, except as exempted by the above statement, require written permission or a license from AMS. Additional details are provided in the AMS Copyright Policy statement.