radioactive substance

collocation in English

meaningsofradioactiveandsubstance

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withsubstance.
radioactive
adjective
uk
/ˌreɪ.di.əʊˈæk.tɪv/us
/ˌreɪ.di.oʊˈæk.tɪv/
having or producing powerful and dangerous energy that comes from the breaking up ...
See more atradioactive
substance
noun
uk
/ˈsʌb.stəns/us
/ˈsʌb.stəns/
material with particular ...
See more atsubstance

(Definition ofradioactiveandsubstancefrom theCambridge English Dictionary© Cambridge University Press)

Examplesofradioactive substance

These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Strontium 90 is aradioactivesubstancegiven off by nuclear explosions.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
But we have to acknowledge what might be the consequences of a similar kind of accident if it involved this very dangerousradioactivesubstance.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
In older type submarines, the tritium—theradioactivesubstance—is relatively dilute in the water-cooling systems.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The container would have looked the same if it had not contained aradioactivesubstance.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
In fact, very small and weak quantities ofradioactivesubstanceare used for that purpose, quantities so small that they could not possibly do anybody any harm.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
It is therefore unnecessary to indicate that a product contains aradioactivesubstancesince the product will bear a label indicating that it has been approved as safe.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
We think that time is most important —time, first of all, to accept what type ofradioactivesubstance is to be discharged and time to assess its degree of radioactivity.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The studies showed that the hyperplastic thyroid gland absorbed more of theradioactivesubstancethan the normal gland.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
In this procedure, the doctor injects a dye orradioactivesubstancenear the tumor.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
The radiation can be emitted by aradioactivesubstanceor generated electrically.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
His intention was to obtain americium, aradioactivesubstance, from the detectors.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
To perform a sentinel lymph node biopsy, the physician performs a lymphoscintigraphy, wherein a low-activityradioactivesubstanceis injected near the tumor.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
This proved the tracer qualities of theradioactivesubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
The energy and the type of the ionizing radiation emitted by aradioactivesubstanceare also important factors in determining its threat to humans.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
They reflect a fundamental principle only in so much as they show that the "same proportion" of a givenradioactivesubstancewill decay, during any time-period that one chooses.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Although it can not be predicted whether any given atom of aradioactivesubstancewill decay at any given time, the decay products of a radioactive substance are extremely predictable.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Fission occurs naturally and spontaneously in a number of radioactive substances.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
Want to learn more?
Go to the definition ofradioactive
Go to the definition ofsubstance
See other collocations withsubstance