Between the appearance of complex cells 2.1 billion to 1.6 billion years ago and the explosive diversification of multicellular animals some 800 million years ago, not much happens in the fossil record. Carolyn Gramling
2
a
: the act or practice of spreading investments among a variety of securities or classes of securities
I've emphasized bond mutual funds because they're so useful for investors of average means. You get diversification (because the fund owns many types of bonds) and liquidity (you can cash out, at the market price, whenever you want). Jane Bryant Quinn
b
: the act or policy of increasing the variety of a company's products
And it envisions a diversification into products such as clothing and electronics, which Nakasone hopes will attract more customers outside the busy holiday season. Karl Taro Greenfeld
Word History
Etymology
borrowed from Middle French & Medieval Latin; Middle French diversificacion, diversification, borrowed from Medieval Latin dīversificātiōn-, dīversificātiō "differentiation, variation," from dīversificāre "to differentiate, diversify" + Latin -tiōn- -tiō, suffix of verbal action