enrich

Etymology

From Middle English enrichen, from Anglo-Norman enrichir and Old French enrichier.

verb

1. (transitive) To enhance.
2. (transitive) To make (someone or something) rich or richer. [from 14th c.]
   Hobbies enrich lives.
   The choke in a car engine enriches the fuel mixture.
3. (transitive) To adorn, ornate more richly. [from 17th c.]
4. (transitive) To add nutrients or fertilizer to the soil; to fertilize. [from 17th c.]
   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. 2013-01, Nancy Langston, “The Fraught History of a Watery World”, in American Scientist, volume 101, number 1, archived from the original on 2013-01-22, page 59
5. (physics, transitive) To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel. [from 20th c.]
6. (transitive) To add nutrients to foodstuffs; to fortify.
7. (chemistry) To make to rise the proportion of a given constituent.