Definition of "oligotrophic" [oligotrophic]

• Lacking in plant nutrients and having a large amount of dissolved oxygen throughout. Used of a pond or lake. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Depth related diversity of methanogen Archaea in Finnish oligotrophic fen."
• "But other areas are characterized by oligotrophic soils on the uplands, meaning they are poor in nutrients."
• "Lakes and streams are ultra-oligotrophic, and are ice-free from July to September with strong summer stratification and oxygen saturation."