enrichment

noun

en·​rich·​ment -chmənt 

plural -s

1

a

: the act of enriching or state of being enriched (as by the addition of ornamentation, wealth, or nutrients)

the enrichment of soil by green-manuring

b

: something (such as decorations or possessions) that enriches

old oaken panels carved with linenfold enrichments

2

: the natural process by which sulfide-ore deposits gain additions of valuable metals through the descent of metalliferous solutions from the zone of oxidation and through their chemical reaction with the original sulfides below the level of underground water or below the depth to which atmospheric oxygen can penetrate

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