Definition of "enrich"

enrich

/ɪnˈɹɪt͡ʃ/

verb
third-person singular simple present enriches, present participle enriching, simple past and past participle enriched
1. (transitive) To enhance.
2. (transitive) To make (someone or something) rich or richer.
3. (transitive) To adorn, ornate more richly.
4. (transitive) To add nutrients or fertilizer to the soil; to fertilize.
  Quotations
  European adventurers found themselves within a watery world, a tapestry of streams, channels, wetlands, lakes and lush riparian meadows enriched by floodwaters from the Mississippi River.
  2013 January, Nancy Langston, “The Fraught History of a Watery World”, in American Scientist‎, volume 101, number 1, archived from the original on 22 January 2013, page 59
5. (physics, transitive) To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel.
6. (transitive) To add nutrients to foodstuffs; to fortify.
7. (chemistry) To make to rise the proportion of a given constituent.