Dictionary.com
definitions

nutrient

[noo-tree-uh nt, nyoo-]
adjective
  1. nourishing; providing nourishment or nutriment.
  2. containing or conveying nutriment, as solutions or vessels of the body.
noun
  1. a nutrient substance.

Origin of nutrient

1640–50; < Latin nūtrient- (stem of nūtriēns), present participle of nūtrīre to feed, nourish; see -ent
Related formsnon·nu·tri·ent, adjective, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for non-nutrient

nutrient

noun
  1. any of the mineral substances that are absorbed by the roots of plants for nourishment
  2. any substance that nourishes an organism
adjective
  1. providing or contributing to nourishmenta nutrient solution

Word Origin for nutrient

C17: from Latin nūtrīre to nourish
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for non-nutrient

nutrient

n.

"a nutritious substance," 1828, noun use of adjective (1640s) meaning "providing nourishment," from Latin nutrientem (nominative nutriens), present participle of nutrire "to nourish, suckle, feed, foster" (see nourish).

Online Etymology Dictionary, © 2010 Douglas Harper
non-nutrient in Medicine

nutrient

[nōō′trē-ənt]
n.
  1. A source of nourishment, especially an ingredient in a food.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
non-nutrient in Science

nutrient

[nōō′trē-ənt]
  1. A substance that provides nourishment for growth or metabolism. Plants absorb nutrients mainly from the soil in the form of minerals and other inorganic compounds, and animals obtain nutrients from ingested foods.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.