chemical

adjective
chem·​i·​cal | \ ˈke-mi-kəl How to pronounce chemical (audio) \

Definition of chemical

 (Entry 1 of 2)

1 : of, relating to, used in, or produced by chemistry or the phenomena of chemistry chemical reactions
2a : acting or operated or produced by chemicals a chemical fire extinguisher
b : detectable by chemical means

chemical

noun

Definition of chemical (Entry 2 of 2)

1 : a substance obtained by a chemical process or producing a chemical effect

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Other Words from chemical

Adjective

chemically \ ˈke-​mi-​k(ə-​)lē How to pronounce chemically (audio) \ adverb

Examples of chemical in a Sentence

Adjective They studied the compound's chemical structure.
Recent Examples on the Web: Adjective An immigrant from India, Gadde moved to the U.S. as a child and grew up in east Texas, where her dad worked as a chemical engineer on oil refineries in the Gulf of Mexico, before moving to New Jersey in middle school. Kurt Wagner, Fortune, "Meet Twitter’s top lawyer, who has the final word on blocking tweets—including Donald Trump’s," 15 Jan. 2020 The chemical engineer is also the founder-board member of the Indian Institute of Human Settlements. Sangeeta Tanwar, Quartz India, "A senior industrialist had a major “anti-Muslim Indian” moment in Thailand," 7 Jan. 2020 Gordon had been employed by the MacDermid Corp. of Waterbury as a chemical engineer and has also worked for Enthone of New Haven. courant.com, "Gordon L. Chillingsworth," 4 Dec. 2019 Grannan photographed Arnold at Caltech, where the chemical engineer is pioneering the use of directed evolution to make enzymes. Andrea Michelson, Smithsonian, "Here’s What NPG Gala Honorees Have to Say About Their Portraits," 23 Nov. 2019 Buschauer, a chemical engineer, posted a $200,000 bail bond and was free until his conviction. George Houde, chicagotribune.com, "Frank Buschauer, who murdered wife in South Barrington home nearly two decades ago, is sentenced to 25 years in prison," 9 Nov. 2019 But you’d be hard pressed to find a social media moment where the chemical engineer turned style influencer doesn’t look absolutely stunning. Shalwah Evans, Essence, "Influencer Tiffany M. Battle Has The Most Envy Inducing Manicures," 16 Oct. 2019 Born in 1905 to Jewish parents in the Ukrainian town of Berdichev, Grossman was educated as a chemical engineer and worked in industrial settings in the Donbass before becoming a full-time writer in the 1930s. Sophie Pinkham, The New Republic, "Vasily Grossman’s Lost Epic," 27 Aug. 2019 Brian Anderson, a chemical engineer who is a West Virginia native and grandson of a coal miner, understands this frustrating history. Keith Schneider, ProPublica, "West Virginia Bets Big on Plastics, and on Backing of Trump Administration," 31 July 2019 Recent Examples on the Web: Noun This material is amazingly complex stuff, made of thousands of different chemical compounds that remain from the decomposition and transformation of plants, animals and microorganisms. Francesca Cotrufo, The Conversation, "Soil carbon is a valuable resource, but all soil carbon is not created equal," 6 Feb. 2020 The company then adds different chemical compounds to alter the way the fiber behaves. Amanda Morris, azcentral, "Arizona company fights plastic pollution at Super Bowl LIV with eco-friendly alternatives," 29 Jan. 2020 Foods, like most everything else on earth, are mixtures of different chemical compounds. Bee Wilson, WSJ, "Embracing the Science of Home Cooking," 25 Jan. 2020 These small chemical compounds, composed of amino acids, tell your skin to create more collagen. Essence, "Everything You Need To Know To Get The Skin You Want This Year," 20 Jan. 2020 One common example of a ligand is found in siderophores, chemical compounds that bacteria secrete to break down iron particles. Emily Underwood, Smithsonian Magazine, "The Complicated Role of Iron in Ocean Health and Climate Change," 6 Jan. 2020 The Decatur plant is one of only four in the world that produces the chemical compound adiponitrile, or ADN, on a large scale. William Thornton | Wthornton@al.com, al, "Ascend plans $175 million expansion in Decatur," 23 Dec. 2019 Most existing fire suppression systems contain PFAS — hazardous chemical compounds that have been linked by researchers to a litany of health problems, cancers and childhood development issues. Gregory B. Hladky, courant.com, "State environmental team responding to firefighting foam spill in Southington, possible PFAS contamination," 9 Dec. 2019 The soils are dense and contain a type of chemical compound called perchlorates, which can actually induce thyroid problems in humans. Jennifer Leman, Popular Mechanics, "Home Brewing Is Hard. Space Brewing Is Harder.," 5 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'chemical.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of chemical

Adjective

1576, in the meaning defined at sense 1

Noun

1739, in the meaning defined at sense 1

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Time Traveler for chemical

Time Traveler

The first known use of chemical was in 1576

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Statistics for chemical

Last Updated

23 Feb 2020

Cite this Entry

“Chemical.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemical?pronunciation&lang=en_us&dir=c&file=chemic02. Accessed 23 Feb. 2020.

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More Definitions for chemical

chemical

adjective
How to pronounce chemical (audio)

English Language Learners Definition of chemical

 (Entry 1 of 2)

: of or relating to chemistry
: working by means of chemicals

chemical

noun

English Language Learners Definition of chemical (Entry 2 of 2)

: a substance (such as an element or compound) that is made by a chemical process

chemical

adjective
chem·​i·​cal | \ ˈke-mi-kəl How to pronounce chemical (audio) \

Kids Definition of chemical

 (Entry 1 of 2)

: of or relating to chemistry or chemicals

Other Words from chemical

chemically adverb

chemical

noun

Kids Definition of chemical (Entry 2 of 2)

: any substance (as an acid) that is formed when two or more other substances act upon one another or that is used to produce a change in another substance

chemical

adjective
chem·​i·​cal | \ ˈkem-i-kəl How to pronounce chemical (audio) \

Medical Definition of chemical

 (Entry 1 of 2)

1 : of, relating to, used in, or produced by chemistry
2a : acting or operated or produced by chemicals
b : detectable by chemical means

Other Words from chemical

chemically \ -​i-​k(ə-​)lē How to pronounce chemically (audio) \ adverb

chemical

noun

Medical Definition of chemical (Entry 2 of 2)

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

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More from Merriam-Webster on chemical

Spanish Central: Translation of chemical

Nglish: Translation of chemical for Spanish Speakers

Britannica English: Translation of chemical for Arabic Speakers

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