Radio-phonograph Radioactively

Radioactive

Meanings and phrases

radioactive

Pronunciation American British Australian Indian
adj.
  1. exhibiting or caused by radioactivity

high-level radioactive waste

Pronunciation American British Australian Indian
n.
  1. radioactive waste that left in a nuclear reactor after the nuclear fuel has been consumed

low-level radioactive waste

Pronunciation American British Australian Indian
n.
  1. (medicine) radioactive waste consisting of objects that have been briefly exposed to radioactivity (as in certain medical tests)

radioactive dating

Pronunciation American British Australian Indian
n.
  1. measurement of the amount of radioactive material (usually carbon 14) that an object contains; can be used to estimate the age of the object

radioactive decay

Pronunciation American British Australian Indian
n.
  1. the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation; decay; disintegration
E.g.
  • Astatine-217 is produced via the radioactive decay of neptunium-237.
  • During the process of radioactive decay, a beta particle will be released.
  • Chemistry also uses calculus in determining reaction rates and radioactive decay.

radioactive dust

Pronunciation American British Australian Indian
n.
  1. the radioactive particles that settle to the ground after a nuclear explosion; fallout

radioactive iodine excretion test

Pronunciation American British Australian Indian
n.
  1. radioactive iodine test that measures the amount of radioactive iodine excreted in the urine

radioactive iodine test

Pronunciation American British Australian Indian
n.
  1. test of thyroid function in which the patient is given an oral dose of radioactive iodine-131

radioactive iodine uptake test

Pronunciation American British Australian Indian
n.
  1. radioactive iodine test that measures the amount of radioactive iodine taken up by the thyroid gland; RAIU

radioactive material

Pronunciation American British Australian Indian
n.
  1. material that is radioactive
E.g.
  • Depending on the quantity of the radioactive material, the dangers may be mainly psychological.
  • A "radiologically enhanced weapon", or "dirty bomb", uses an explosive to spread radioactive material.
  • The weapons' multiple safety interlocks prevented both a nuclear explosion and release of radioactive material.

radioactive waste

Pronunciation American British Australian Indian
n.
  1. useless radioactive materials that are left after some laboratory or commercial process is completed
E.g.
  • The site may have radioactive waste.
  • It does not, however, address the movement of radioactive waste.
  • In this capacity, it helped New York end disposal of radioactive waste at West Valley.

radioactive materials

Pronunciation American British Australian Indian
E.g.
  • The stone's unique green color is due to natural exposure to radioactive materials.
  • Such events include the release of radioactive materials and emissions from erupting volcanoes.
  • He also showed they were identical to particles given off by photoelectric and radioactive materials.

radioactive contamination

Pronunciation American British Australian Indian
E.g.
  • The resulting fire caused extensive radioactive contamination.
  • It killed at least 32 people and caused widespread radioactive contamination.
  • In reality it was a place for deactivation of personal radioactive contamination for the Żarnowiec Nuclear Power Plant.

radioactive isotopes

Pronunciation American British Australian Indian
E.g.
  • All of the remaining radioactive isotopes have half-lives of less than 75 years.
  • Diamonds are dated by analyzing inclusions using the decay of radioactive isotopes.
  • However, the process of stellar evolution can result in the synthesis of radioactive isotopes.
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