Definition of Radioisotope

1. Noun. A radioactive isotope of an element; produced either naturally or artificially.

Specialized synonyms: Tracer, Label, Iodine-131, Iodine-125
Generic synonyms: Isotope



Definition of Radioisotope

1. Noun. (physics) a radioactive isotope of an element ¹

¹ Source: wiktionary.com

Definition of Radioisotope

1. [n -S]

Medical Definition of Radioisotope

1. Form of a chemical element with unstable neutron number, so that it undergoes spontaneous nuclear disintegration. Major use in biology is to trace the fate of atoms or molecules that follow the same metabolic pathway or enzymic fate as the normal stable isotope, but that can be detected with high sensitivity by their emission of radiation. Also used to locate the position of the radioactive metabolite, as in autoradiography and to measure relative rates of synthesis of compounds from radioactive precursors. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)

Radioisotope Pictures

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Lexicographical Neighbors of Radioisotope

radioimmunotargeted
radioimmunotherapies
radioimmunotherapy
radioindium
radioing
radioinsensitive
radioiodide
radioiodinated
radioiodinated serum albumin
radioiodination
radioiodinations
radioiodine
radioiodines
radioiridium
radioiron
radioisotope (current term)
radioisotope dilution technique
radioisotope renography
radioisotope teletherapy
radioisotopes
radioisotopic
radioisotopic purity
radioisotopically
radiokrypton
radiolabel
radiolabeled
radiolabeling
radiolabelled
radiolabelled thyroxine
radiolabelling

Literary usage of Radioisotope

Below you will find example usage of this term as found in modern and/or classical literature:

1. Priorities in Space Science Enabled by Nuclear Power And Propulsion by Ssb, ebrary, Inc (2006)
"NASA's current RPS activities are focusing on the development of two alternative technologies: the multi- mission radioisotope thermoelectric generator ..."

2. Beneficial Uses and Production of Isotopes: 2000 Update by Nea, OECD Nuclear Energy Agency (2000)
"The most common radioisotope production facilities, ie. reactors, ... Therefore, the radioisotope production facilities described below include only ..."

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