To enhance.
To make (someone or something) rich or richer. (century)
(syn)
(ant)|derich|disenrich
(ux)
To adorn, ornate more richly. (century)
To add nutrients or fertilizer to the soil; to fertilize. (century)
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(ant)
To increase the amount of one isotope in a mixture of isotopes, especially in a nuclear fuel. (century) (C)
To add nutrients to foodstuffs; to fortify.
To make to rise the proportion of a given constituent.