unknown substance

collocation in English

meaningsofunknownandsubstance

These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withsubstance.
unknown
adjective
uk
/ʌnˈnəʊn/us
/ʌnˈnoʊn/
not known ...
See more atunknown
substance
noun
uk
/ˈsʌb.stəns/us
/ˈsʌb.stəns/
material with particular ...
See more atsubstance

(Definition ofunknownandsubstancefrom theCambridge English Dictionary© Cambridge University Press)

Examplesofunknown 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.
They could be dealing with anunknownsubstance.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Close to the man a metal pipe and a rucksack filled with metal fasteners and anunknownsubstancesuspected to be an explosive were found.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
A torus a thousand light-years in diameter, constructed of anunknownsubstance, rotating at a large fraction of lightspeed.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
A search of the car he was driving found glassine envelopes containing anunknownsubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
According to the doctors, he was subject to intoxication with anunknownsubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
It also further solidifies the notion thatunknownsubstanceleakages are to be classified as environmental hazards until they can be accurately identified and controlled.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
According to the official investigation, he died of inhaling a toxic gas, his death certificate stating as cause poisoning with anunknownsubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Scientists use characteristic properties to identify anunknownsubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
That still did not tell you how much of theunknownsubstanceyou had.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
He sniffs the suspicious cache and his sensitive nose is overwhelmed by what he smells; theunknownsubstanceis actually dried psychedelic mushrooms.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
The use of derivatives has traditionally been used to determine or confirm the identity of anunknownsubstance.
From
Wikipedia
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The cause was finally attributed to an innmate's careless discard of smokingunknownsubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Eventually, he gets up and begins to smear anunknownsubstanceonto his face.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
The school building was immediately evacuated except for individuals who could have been contaminated by theunknownsubstance.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
It was discovered that she had a 24th chromosome, and from time to time her body would secrete small amounts of anunknownsubstance, similar to plastic.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Dallion noted the tribe's use of crude petroleum (then a largelyunknownsubstance) as an alleged medicine, a possible factor in the tribe's eventual demise.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
He extracted and isolated a small amount of an apparentlyunknownsubstancefrom the mineral, which he announced as the discovery of element 43, naming the newly discovered element "nipponium".
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
Doctors think that the young man was poisoned by unknown substances, the statement said.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
They use ultrasound waves and chemicals combined to create bubbles that cling to the foreign particles such as dirt, oil, and unknown substances.
From
Wikipedia
This example is from Wikipedia and may be reused under a CC BY-SA license.
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 ofunknown
Go to the definition ofsubstance
See other collocations withsubstance