radio -

(in comb.) १ (of radiant energy) रेडिओ— २ (as, radioactive; as a pfx. denoting an artificially prepared radio – active isotope) किरणोत्सारी, किरणोत्सार— ३ (of radiation) प्रारण— ४ (of X – rays, high energy radition, etc.) किरण-