The American Heritage® Dictionary of the English Language, 4th Edition
v. To give variety to; vary: diversify a menu.
v. To extend (business activities) into disparate fields.
v. To distribute (investments) among different companies or securities in order to limit losses in the event of a fall in a particular market or industry.
verb-intransitive. To spread out activities or investments, especially in business.
v. To make diverse or various in form or quality; to give variety to; to variegate; to distinguish by numerous differences or aspects.
the GNU version of the Collaborative International Dictionary of English
v. To make diverse or various in form or quality; to give variety to; to variegate; to distinguish by numerous differences or aspects.
The Century Dictionary and Cyclopedia
To make diverse or various in form or qualities; give variety or diversity to: as, to diversify the colors of a fabric; mountains, plains, trees, and lakes diversify the landscape; to diversify labor.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. make (more) diverse
v. spread into new habitats and produce variety or variegate
v. vary in order to spread risk or to expand
Word Usage
"Now, in terms of the United States, I objected to your term 'diversify away' because we don't want to see a diminishing of trade with the United States."