macronucleus
mac·ro·nu·cle·us
noun \ˌma-krō-ˈnü-klē-əs, -ˈnyü-\Definition of MACRONUCLEUS
: 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 \ˌmak-rō-ˈnü-klē-ər, -ˈnyü-, ÷-kyə-lər\ adjective
Origin of MACRONUCLEUS
New Latin
First Known Use: 1892
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