[mac.ro.nu.cle.us] n [NL] (1892): a relatively large densely staining nucleus of most ciliate protozoans that is derived from micronuclei and controls various nonreproductive functions -- mac.ro.nu.cle.ar adj
MACRONUCLEUS
Meaning of MACRONUCLEUS in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012