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Definition of the noun a-horizon

What does a-horizon mean as a name of something?


  1. the top layer of a soil profile; usually contains humus
    • examples: Death is only a horizon, and a horizon is nothing save the limit of our sight. | Death is only a horizon. And a horizon is just the edge of our field of view.
    • lexical domain: Locations - nouns denoting spatial position
    • alternative spelling: A horizon
    • instance of: soil horizon = a layer in a soil profile
    • substance: humus = partially decomposed organic matter

Printed books with definitions for A-horizon

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Google previewWetland Indicators (1999)

A Guide to Wetland Identification, Delineation, Classification, and Mapping by Ralph W. Tiner

Since the A-horizon is the layer with high organic matter content, the distribution of the various A-horizons now buried in the subsoil yields the characteristic irregular carbon content with depth. This carbon content can be measured in the ...

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Quotes about A-horizon

Friendship is a horizon -- which expands whenever we approach it. (E.R. Hazlip)
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Anagrams of A-HORIZON

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