The Collaborative International Dictionary of English v.0.48:
Diversify \Di*ver"si*fy\, v. t. [imp. & p. p. Diversified; p.
pr. & vb. n. Diversifying.] [F. diversifier, LL.
diversificare, fr. L. diversus diverse + ficare (in comp.),
akin to facere to make. See Diverse.]
To make diverse or various in form or quality; to give
variety to; to variegate; to distinguish by numerous
differences or aspects.
[1913 Webster]
Separated and diversified on from another. --Locke.
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Its seven colors, that diversify all the face of
nature. --I. Taylor.
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