Definition of Chemical

any basic substance that is used in or produced by a reaction involving changes to atoms

Examples of Chemical in a sentence

The chemical is used to clean the kitchen, but care must be taken since the substance is so strong.  🔊

A chemical reaction occurred in the science lab when atom changes took place during a mixture process.  🔊

Each chemical must be used with caution since adding different substances together can cause unwanted reactions.  🔊

The chemical compound is made up of two different elements and is commonly known as salt.  🔊

Although many don’t think as water as a chemical, it is a substance created by combining hydrogen and two parts oxygen.  🔊

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