noun Etymology: New Latin Date: 1892 a relatively large densely staining nucleus of most ciliate protozoans that is derived from micronuclei and controls various nonreproductive functions, macronuclear adjective
MACRONUCLEUS
Meaning of MACRONUCLEUS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012