a mobile telephone system using low-powered radio transmitters, with each transmitter covering a distinct geographical area (cell) and computer equipment to switch a call from one area to another, thus enabling large-scale car or portable phone service.
- Cellular radio
noun radio communication based on a network of transmitters each serving a small area known as a cell: used in personal communications systems in which the mobile receiver switches frequencies automatically as it passes from one cell to another
pertaining to or characterized by cellules or cells, especially minute compartments or cavities. of or relating to cellular phones. adjective of, relating to, resembling, or composed of a cell or cells having cells or small cavities; porous divided into a network of cells (textiles) woven with an open texture: a cellular blanket designed for or […]
any of several enzymes, produced primarily by fungi and bacteria, that catalyze the hydrolysis of cellulose. Historical Examples noun any enzyme that converts cellulose to the disaccharide cellobiose cellulase cel·lu·lase (sěl’yə-lās’, -lāz’) n. Any of several enzymes produced chiefly by fungi, bacteria, and protozoans that catalyze the hydrolysis of cellulose. cellulase (sěl’yə-lās’) Any of several […]
a minute cell. Historical Examples noun a very small cell cellule cel·lule (sěl’yōōl) n. A small cell.