u·ni·cel·lu·lar (yōō'nĭ-sěl'yə-lər) adj. Having or consisting of one cell; one-celled: unicellular organisms. u'ni·cel'lu·lar'i·ty (-lār'ĭ-tē, -lâr'-) n.
Main Entry: uni·cel·lu·lar Pronunciation: "yü-ni-'sel-y&-l&r Function: adjective : having or consisting of a single cell<unicellular organisms> —uni·cel·lu·lar·i·ty/-"sel-y&-'lar-&t-E/nounplural-ties