from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. a gain of function mutation that causes novel gene function.

from the GNU version of the Collaborative International Dictionary of English

  • n. A structure, part, or organ developed independently, that is, not derived from a similar structure, part, or organ, in a preexisting form.

from The Century Dictionary and Cyclopedia

  • n. In biology, a part or organ, or a modification of a part or organ, which has recently been generated or acquired.


Sorry, no etymologies found.


Sorry, no example sentences found.

Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.