|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|the offspring of a zebra and a donkey.|
|1.||(tr) physics to subject to or treat with light or other electromagnetic radiation or with beams of particles|
|2.||(tr) to expose (food) to electromagnetic radiation to kill bacteria and retard deterioration|
|3.||(tr) to make clear or bright intellectually or spiritually; illumine|
|4.||a less common word for radiate|
|5.||obsolete (intr) to become radiant|
irradiate ir·ra·di·ate (ĭ-rā'dē-āt')
v. ir·ra·di·at·ed, ir·ra·di·at·ing, ir·ra·di·ates
To expose to radiation, as for diagnostic or therapeutic purposes.
To treat with radiation.
To apply radiation to a structure or organism.
|irradiate (ĭ-rā'dē-āt') Pronunciation Key
To expose to or treat with radiation. For example, meat sold as food is often irradiated with x-rays or other radiation to kill bacteria; uranium 238 can be irradiated with neutrons to create fissionable plutonium 239.