tube nucleus


Definition of TUBE NUCLEUS

:  the one of the two nuclei formed by mitotic division of a microspore during the formation of a pollen grain that is held to control subsequent growth of the pollen tube and that does not divide again — compare generative nucleus

First Known Use of TUBE NUCLEUS



Next Word in the Dictionary: tube of BelliniPrevious Word in the Dictionary: tube–nosed batAll Words Near: tube nucleus
May 26, 2015
sacrilegious Hear it
grossly irreverent
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears