Understudy definition, to learn (a role) in order to replace the regular actor or actress when necessary. See more.
Radiation. radiation. (Science: radiobiology) propagation of energy through space. In the context of this report, it is electromagnetic radiation (x-rays or gamma rays) or corpuscular radiation (alpha particles, electrons, protons, neutrons) capable of producing ionisation.adiation. radiation. (Science: radiobiology) propagation of energy through space. In the context of this report, it is electromagnetic radiation (x-rays or gamma rays) or corpuscular radiation (alpha particles, electrons, protons, neutrons) capable of producing ionisation.
genetic effects of radiation (jÉnetÂ´ik) , n.pl the changes produced in the individual's genes and chromosomes of all nucleated body cells, both somatic and gonadal, due to exposure to radiation. The more common meaning relates to the effect produced in the reproductive cells.enetic effects of radiation (jÉnetÂ´ik) , n.pl the changes produced in the individual's genes and chromosomes of all nucleated body cells, both somatic and gonadal, due to exposure to radiation. The more common meaning relates to the effect produced in the reproductive cells.