[ pee-kuh-weyv, pahy- ]
/ ˈpi kəˌweɪv, ˈpaɪ- /

verb (used with object), pi·co·waved, pi·co·wav·ing.

to irradiate (food) with gamma rays in order to retard spoilage.


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Origin of picowave

1981–86; pico- + wave; cf. microwave
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020