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noun a substance produced by or used in a chemical process. chemicals, Slang. narcotic or mind-altering drugs or substances.
Chemical change definition, a usually irreversible chemical reaction involving the …
Chemical property definition, a property or characteristic of a substance that is …
Chemical weathering definition, any of the various weathering processes that cause …
Chemical energy definition at Dictionary.com, a free online dictionary with pronunciation, …
Chemical warfare definition, warfare with asphyxiating, poisonous, or corrosive …
Chemical definition is - of, relating to, used in, or produced by chemistry or the phenomena of chemistry. How to use chemical in a sentence.
any basic substance that is used in or produced by a reaction involving changes to atoms or molecules: The government has pledged to reduce the amount of chemicals used in food production. …
110 rows · Relating to or produced by means of chemistry: a chemical discovery; a chemical change.
A chemical substance is a form of matter having constant chemical composition and characteristic properties. Some references add that chemical substance cannot be separated into its constituent elements by physical separation methods, i.e., without breaking chemical bonds. Chemical substances can be simple substances, chemical compounds, or alloys. Chemical elements may or may not be included in the definition, depending on expert viewpoint.
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