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.
Definition: Marine biology is the scientific study of organisms that live in salt water. So, a marine biologist is a person that studies, or works with a salt water organism (or organisms). That is a fairly brief definition for a very general term, as marine biology encompasses many things. Marine biologists may work for private businesses, in a non-profit organization, or at a university or college.