Enrich

lannoittaa

(to add nutrients or fertilizer to the soil; to fertilize)

lisätä ravinteita

(to add nutrients to foodstuffs)

rikastuttaa

(to make rich(er))

rikastuttaa

(to adorn, ornate more richly)

väkevöidä

(to increase the amount of one isotope in a mixture of isotopes)

väkevöidä

(chemistry: to make to rise the proportion of a given constituent)