Definition of radioactive in English:

radioactive

adjective ˌreɪdɪəʊˈaktɪvˌreɪdioʊˈæktɪv

Emitting or relating to the emission of ionizing radiation or particles.
放射性的；放射性引起的
radioactive decay
放射性衰变。
the water was radioactive
这水具有放射性。
Example sentencesExamples
- Carbon - 14 is radioactive and it is this radioactivity which is used to measure age.
- If a nucleus has too many protons for its number of neutrons, it will be radioactive.
- Operated by the Royal Observer Corps, it was also charged with monitoring lethal radioactive fallout.
- They fill up the thyroid gland and stop it from absorbing any radioactive iodine released by the reactor.
- He explained spent nuclear fuel is not radioactive waste because it can be reused.
- On average, how much time will pass before a radioactive atom decays?
- The C-urea breath test detects current infection and is not radioactive.
- This three-year project was to lead to the discovery of the causes of radioactive emissions.
- The specific activity of the radioactive thiamine was the same for each concentration used.
- They realized that the particles emitted by radioactive elements as they decay are in fact little bits of the atomic nuclei.
- In reality all they did was make my blood radioactive before taking gamma photographs.
- It is so hot and radioactive that the miners use remote control equipment.
- Nuclear fusion produces no greenhouse gas emissions and only low levels of radioactive waste.
- Radon decays to form tiny radioactive particles, some of which remain suspended in the air.
- Part of the problem is that as the radioactive substance decays, most of the electrons miss the silicon surface.
- They also debated earnestly over how polluted and radioactive they thought the Caspian's waters were.
- Depleted uranium is a radioactive heavy metal, which is also chemically toxic.
- The periodic table has since been expanded to 81 stable and 31 radioactive elements.
- It relies on an analysis of how much of a radioactive isotope has decayed into its daughter isotope.
- When a fuel rod is spent and removed from the reactor, it is hot and highly radioactive.

Derivatives

radioactively

adverb

Uranium decays radioactively to produce thorium - 230 at a known rate.
Example sentencesExamples
- Specimens of fish and amphibians taken from radioactively contaminated or otherwise polluted areas also show some apparent fluctuations in DNA content.
- It is unstable, and scientists know that it radioactively decays by electron emission to Nitrogen 14, with a half life of 5730 years.
- ‘There is likely to be an increase in radioactively contaminated metals and other radioactive sources entering the scrap supply chain,’ he said.
- Those four iron isotopes are all radioactively stable.

Definition of radioactive in US English:

radioactive

adjectiveˌrādēōˈaktivˌreɪdioʊˈæktɪv

Emitting or relating to the emission of ionizing radiation or particles.
放射性的；放射性引起的
radioactive decay
放射性衰变。
the water was radioactive
这水具有放射性。
Example sentencesExamples
- The periodic table has since been expanded to 81 stable and 31 radioactive elements.
- In reality all they did was make my blood radioactive before taking gamma photographs.
- He explained spent nuclear fuel is not radioactive waste because it can be reused.
- They fill up the thyroid gland and stop it from absorbing any radioactive iodine released by the reactor.
- This three-year project was to lead to the discovery of the causes of radioactive emissions.
- Depleted uranium is a radioactive heavy metal, which is also chemically toxic.
- Part of the problem is that as the radioactive substance decays, most of the electrons miss the silicon surface.
- Carbon - 14 is radioactive and it is this radioactivity which is used to measure age.
- If a nucleus has too many protons for its number of neutrons, it will be radioactive.
- They also debated earnestly over how polluted and radioactive they thought the Caspian's waters were.
- It relies on an analysis of how much of a radioactive isotope has decayed into its daughter isotope.
- When a fuel rod is spent and removed from the reactor, it is hot and highly radioactive.
- They realized that the particles emitted by radioactive elements as they decay are in fact little bits of the atomic nuclei.
- The specific activity of the radioactive thiamine was the same for each concentration used.
- The C-urea breath test detects current infection and is not radioactive.
- Radon decays to form tiny radioactive particles, some of which remain suspended in the air.
- Nuclear fusion produces no greenhouse gas emissions and only low levels of radioactive waste.
- It is so hot and radioactive that the miners use remote control equipment.
- Operated by the Royal Observer Corps, it was also charged with monitoring lethal radioactive fallout.
- On average, how much time will pass before a radioactive atom decays?

单词	radioactive
释义	Definition of radioactive in English: radioactive adjective ˌreɪdɪəʊˈaktɪvˌreɪdioʊˈæktɪv Emitting or relating to the emission of ionizing radiation or particles. 放射性的；放射性引起的 radioactive decay 放射性衰变。 the water was radioactive 这水具有放射性。 Example sentencesExamples Carbon - 14 is radioactive and it is this radioactivity which is used to measure age. If a nucleus has too many protons for its number of neutrons, it will be radioactive. Operated by the Royal Observer Corps, it was also charged with monitoring lethal radioactive fallout. They fill up the thyroid gland and stop it from absorbing any radioactive iodine released by the reactor. He explained spent nuclear fuel is not radioactive waste because it can be reused. On average, how much time will pass before a radioactive atom decays? The C-urea breath test detects current infection and is not radioactive. This three-year project was to lead to the discovery of the causes of radioactive emissions. The specific activity of the radioactive thiamine was the same for each concentration used. They realized that the particles emitted by radioactive elements as they decay are in fact little bits of the atomic nuclei. In reality all they did was make my blood radioactive before taking gamma photographs. It is so hot and radioactive that the miners use remote control equipment. Nuclear fusion produces no greenhouse gas emissions and only low levels of radioactive waste. Radon decays to form tiny radioactive particles, some of which remain suspended in the air. Part of the problem is that as the radioactive substance decays, most of the electrons miss the silicon surface. They also debated earnestly over how polluted and radioactive they thought the Caspian's waters were. Depleted uranium is a radioactive heavy metal, which is also chemically toxic. The periodic table has since been expanded to 81 stable and 31 radioactive elements. It relies on an analysis of how much of a radioactive isotope has decayed into its daughter isotope. When a fuel rod is spent and removed from the reactor, it is hot and highly radioactive. Derivatives radioactively adverb Uranium decays radioactively to produce thorium - 230 at a known rate. Example sentencesExamples Specimens of fish and amphibians taken from radioactively contaminated or otherwise polluted areas also show some apparent fluctuations in DNA content. It is unstable, and scientists know that it radioactively decays by electron emission to Nitrogen 14, with a half life of 5730 years. ‘There is likely to be an increase in radioactively contaminated metals and other radioactive sources entering the scrap supply chain,’ he said. Those four iron isotopes are all radioactively stable. Definition of radioactive in US English: radioactive adjectiveˌrādēōˈaktivˌreɪdioʊˈæktɪv Emitting or relating to the emission of ionizing radiation or particles. 放射性的；放射性引起的 radioactive decay 放射性衰变。 the water was radioactive 这水具有放射性。 Example sentencesExamples The periodic table has since been expanded to 81 stable and 31 radioactive elements. In reality all they did was make my blood radioactive before taking gamma photographs. He explained spent nuclear fuel is not radioactive waste because it can be reused. They fill up the thyroid gland and stop it from absorbing any radioactive iodine released by the reactor. This three-year project was to lead to the discovery of the causes of radioactive emissions. Depleted uranium is a radioactive heavy metal, which is also chemically toxic. Part of the problem is that as the radioactive substance decays, most of the electrons miss the silicon surface. Carbon - 14 is radioactive and it is this radioactivity which is used to measure age. If a nucleus has too many protons for its number of neutrons, it will be radioactive. They also debated earnestly over how polluted and radioactive they thought the Caspian's waters were. It relies on an analysis of how much of a radioactive isotope has decayed into its daughter isotope. When a fuel rod is spent and removed from the reactor, it is hot and highly radioactive. They realized that the particles emitted by radioactive elements as they decay are in fact little bits of the atomic nuclei. The specific activity of the radioactive thiamine was the same for each concentration used. The C-urea breath test detects current infection and is not radioactive. Radon decays to form tiny radioactive particles, some of which remain suspended in the air. Nuclear fusion produces no greenhouse gas emissions and only low levels of radioactive waste. It is so hot and radioactive that the miners use remote control equipment. Operated by the Royal Observer Corps, it was also charged with monitoring lethal radioactive fallout. On average, how much time will pass before a radioactive atom decays?
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