Unicorn

A unicorn is a start-up company valued at over $1 billion. The billion-dollar technology startup was once the stuff of myth.
Contributor: Alda Telles - Master Mind at Attitude Smart Communications

Up-Round

When the valuation of a company at the time of an investment round is higher than its valuation at the conclusion of the previous round.
Source: www.fundingsage.com

Any language or lexico is dynamic, therefore we know for sure that new words will keep coming. This is the community of innovators so, what else could we expect!

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