noun Date: circa 1892 the one of the two nuclei resulting from the first division in the pollen grain of a seed plant that gives rise to sperm nuclei
GENERATIVE NUCLEUS
Meaning of GENERATIVE NUCLEUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012