(uncountable) A process of sterilisation whereby radiation is passed through a bag containing food, utensils, etc., to sterilise the contents.
Origin of irradiation
From Middle French irradiacion, from Latinirradiatio
Consumer groups are concerned that not only can irradiation make food last longer; it can make it continue to look fresh even when it is past its prime.
The inspirations which the prophet receives by angelic messengers are compared with the irradiation of intellectual light, which the philosopher wins by contemplation of truth and increasing purity of life.
This allows us to determine cell cycle phase at the time of irradiation.
As news of the lustrous rich chocolate pearls of the Ballerina Pearl Company spread, questions arose as to whether or not they were natural cultured pearls or Tahitian black pearls colored by irradiation treatments or dyes.