from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of a large number of natural and synthetic materials, including manure and nitrogen, phosphorus, and potassium compounds, spread on or worked into soil to increase its capacity to support plant growth.

from The Century Dictionary.

  • noun One who or that which fertilizes; specifically, a manure, whether organic or inorganic: as, guano is a powerful fertilizer. Also spelled fertiliser.

from the GNU version of the Collaborative International Dictionary of English.

  • noun One who fertilizes; the agent that carries the fertilizing principle, as a moth to an orchid.
  • noun That which renders fertile; a general name for commercial substances which make plants grow better, as manure, guano, phosphate of lime, ammonium nitrate, etc.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun A natural substance that is used to make the ground more suitable for growing plants.
  • noun A chemical compound created to have the same effect.

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

  • noun any substance such as manure or a mixture of nitrates used to make soil more fertile


Sorry, no etymologies found.



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