Meaning of “substance” in the English Dictionary

"substance" in English

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uk /ˈsʌb.stəns/ us /ˈsʌb.stəns/

substance noun (MATERIAL)

B2 [ C or U ] material with particular physical characteristics:

an organic/chemical substance
What sort of substance could withstand those temperatures?
illegal substance formal

an illegal drug

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(Definition of “substance” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"substance" in American English

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us /ˈsʌb·stəns/

substance noun (MATERIAL)

[ C ] a material with particular physical characteristics:

The pesticide contains a substance that is toxic to insects.

substance noun (IMPORTANCE)

[ U ] importance, seriousness, or relationship to real facts:

Surprisingly, these filmmakers opted for substance over style.

(Definition of “substance” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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Nevertheless, it is as well to remember that this declaration will certainly be different from the 1992 decision in form and substance.
The directive' s key element, or rather the most talked-about part of this proposal is, of course, the table which lists per country the permitted annual emission for each substance.
Thirdly, the substance of the debate: that needs to be considered in terms of papers, broad dialogues and other ideas of this kind.
I am positive that we shall find it easier to agree on what we mean in substance than on the definitions.
The precautionary principle, therefore, prescribes that we do not wait to impose a ban on this substance until the final results of the investigation are known.
I am aware, however, that it will be very difficult to make progress in this direction unless we first make progress on the substance.
Paragraph 38, which sets out which substance shall be classified as being of very high concern, is too broad for any authorisation system to be workable.
Sound information means that one has to present something of substance, that one has something to offer or something that one can pass on.
Perhaps we will really have arguments now here in favour of or against the amendments tabled and the debates will also have more substance to them.
After all, if the industry then comes along and says that it has forgotten a substance and makes the test available straight away, that substance can be added on.