Definition of "nutrient" []

• A source of nourishment, especially a nourishing ingredient in a food. (noun)
• Providing nourishment. (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.

• "The nutrient is thought to improve balance as well as maintain muscle mass in older people."
• "The marine environments are highly varied and are associated with water temperature regimes differing in nutrient and light levels."
• "(Which is not to stay we could use all of that straw to produce ethanol and other biofuels: some straw needs to be left on the field after harvest to help prevent soil erosion and maintain nutrient levels, and quite a lot of it already has its uses, as feed and bedding for cattle.)"