[cel.lu.lar] adj [NL cellularis, fr. cellula living cell, fr. L, dim. of cella small room] (ca. 1739) 1: of, relating to, or consisting of cells
2: containing cavities: having a porous texture "~ rocks"
3: of, relating to, or being a radiotelephone system in which a geographical area (as a city) is divided into small sections each served by a transmitter of limited range so that any available radio channel can be used in different parts of the area simultaneously -- cel.lu.lar.i.ty n