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
David Szondy, New Atlas, 20 Jan. 2025
In recent weeks, Ukraine has increased its strikes on Russian oil depots and refineries, as well as military production sites and chemical plants.
—Justin Gest, Newsweek, 20 Jan. 2025
Cory Martin, Verywell Health, 23 Jan. 2025
These contain preservatives and other chemicals produced in labs and factories to help extend shelf life.
—Dr. Anthony Yuon, Contributor, CNBC, 22 Jan. 2025
See all Example Sentences for chemical 
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Adjective
There are alternatives to chemical rockets, such as ion drives and solar sails, but these produce minuscule thrust and have limited applications.
—David Szondy, New Atlas, 20 Jan. 2025
In recent weeks, Ukraine has increased its strikes on Russian oil depots and refineries, as well as military production sites and chemical plants.
—Justin Gest, Newsweek, 20 Jan. 2025
Noun
With regular practice, yoga can decrease the hormones and chemicals in the body that are associated with stress, such as cortisol.
—Cory Martin, Verywell Health, 23 Jan. 2025
These contain preservatives and other chemicals produced in labs and factories to help extend shelf life.
—Dr. Anthony Yuon, Contributor, CNBC, 22 Jan. 2025
See all Example Sentences for chemical
Dictionary Entries Near chemical
Cite this Entry
“Chemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical. Accessed 2 Feb. 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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