chemical

1 of 2

adjective

chem·​i·​cal ˈke-mi-kəl How to pronounce chemical (audio)
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
chemically adverb

chemical

2 of 2

noun

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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Adjective
Use at least two sustainable practices, like the elimination of chemical pesticides or fertilizers, composting, soil and water conservation tactics, reducing lawn areas and using native plants. Bridget Fogarty, Journal Sentinel, 15 Feb. 2025 Some chemical exfoliants may need to sit for several minutes. Nancy Lebrun, Verywell Health, 12 Feb. 2025
Noun
Spending time with people releases certain chemicals in the brain and boosts our mood. Erica Pandey, Axios, 16 Feb. 2025 In a preemptive move to avoid a trade war like the ones with Canada, Mexico and China, India is weighing tariff cuts in at least a dozen sectors, from electronics to medical and surgical equipment, and chemicals, according to Reuters. Swapna Venugopal Ramaswamy, USA TODAY, 14 Feb. 2025 See all Example Sentences for chemical 

Word History

Etymology

Adjective

chemic or its source, Medieval Latin chimicus + -al entry 1

Noun

derivative of chemical entry 1

First Known Use

Adjective

1576, in the meaning defined at sense 1

Noun

1739, in the meaning defined at sense 1

Time Traveler
The first known use of chemical was in 1576

Dictionary Entries Near chemical

Cite this Entry

“Chemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical. Accessed 20 Feb. 2025.

Kids Definition

chemical

1 of 2 adjective
chem·​i·​cal ˈkem-i-kəl How to pronounce chemical (audio)
1
: of, relating to, used in, or produced by chemistry
2
: acting or operated or produced by chemicals
chemically adverb

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 How to pronounce chemical (audio)
1
: of, relating to, used in, or produced by chemistry
2
a
: acting or operated or produced by chemicals
b
: detectable by chemical means
chemically adverb

chemical

2 of 2 noun
1
: a substance (as an element or chemical compound) obtained by a chemical process or used for producing a chemical effect
2

More from Merriam-Webster on chemical

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