chem·i·cal
ˈke-mi-kəl 
1
: of, relating to, used in, or produced by chemistry or the phenomena of chemistry
chemical reactions
2
a
: acting or operated or produced by chemicals
a chemical fire extinguisher
b
: detectable by chemical means
1
: a substance obtained by a chemical process or producing a chemical effect
2
Examples of chemical in a Sentence
Adjective
They studied the compound's chemical structure.
Recent Examples on the Web
IEEE Spectrum, 14 Aug. 2025
Smollett said the men placed a noose around his neck and poured an unknown chemical substance on him, according to the Chicago Police Department at the time.
—Dan Heching, CNN Money, 14 Aug. 2025
Yelena Moroz Alpert, Architectural Digest, 15 Aug. 2025
Healthy cookware manufactured without these chemicals is safe even if pans are heated above their oven-safe threshold.
—Bestreviews, Chicago Tribune, 15 Aug. 2025
See All Example Sentences for chemical
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Adjective
Moving From Model to Molecule To tackle that challenge, Stokes and his colleagues developed a generative AI tool that designs antibiotic candidates with chemical blueprints tailored for real-world manufacturing, not just computer screens.
—IEEE Spectrum, 14 Aug. 2025
Smollett said the men placed a noose around his neck and poured an unknown chemical substance on him, according to the Chicago Police Department at the time.
—Dan Heching, CNN Money, 14 Aug. 2025
Noun
Anyone with sensitive skin will be happy to know that the plush 100% cotton is Oeko-Tex Standard 100 certified and made without any harmful chemicals.
—Yelena Moroz Alpert, Architectural Digest, 15 Aug. 2025
Healthy cookware manufactured without these chemicals is safe even if pans are heated above their oven-safe threshold.
—Bestreviews, Chicago Tribune, 15 Aug. 2025
See All Example Sentences for chemical
Cite this Entry
“Chemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical. Accessed 21 Aug. 2025.
Copy CitationKids Definition
chemical
1 of 2 adjective
chem·i·cal
ˈkem-i-kəl
1
: of, relating to, used in, or produced by chemistry
2
: acting or operated or produced by chemicals
chemical
2 of 2 noun
: a substance (as an element or compound) obtained from a chemical process or used to get a chemical result
Medical Definition
chemical
1 of 2 adjective
chem·i·cal
ˈkem-i-kəl
1
: of, relating to, used in, or produced by chemistry
2
a
: acting or operated or produced by chemicals
b
: detectable by chemical means
chemical
2 of 2 noun1
: a substance (as an element or chemical compound) obtained by a chemical process or used for producing a chemical effect
2
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