chemistry

noun

chem·​is·​try ˈke-mə-strē How to pronounce chemistry (audio)
plural chemistries
1
: a science that deals with the composition, structure, and properties of substances and with the transformations that they undergo
2
a
: the composition and chemical properties of a substance
the chemistry of iron
b
: chemical processes and phenomena (as of an organism)
blood chemistry
3
a
: a strong mutual attraction, attachment, or sympathy
they have a special chemistry
b
: interaction between people working together
specifically : such interaction when harmonious or effective
a team lacking chemistry

Examples of chemistry in a Sentence

studying the chemistry of gasoline They tried dating, but there was no chemistry between them. the chemistry of the office
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.
Former Reba co-stars Melissa Peterman (as Gabby, the needy and dramatic bartender) and Reba McEntire already have proven chemistry, and any scene between the two is a lightning rod for plenty of chuckles. — Marc Berman, Forbes, 22 Mar. 2025 The shoulder injury — and subsequent surgery — kept Brown from preserving that chemistry with Mahomes into the regular season. — Jesse Newell, Kansas City Star, 21 Mar. 2025 Confidence and clarity in desire create chemistry that lingers long before clothes come off. — Dominique Fluker, Essence, 20 Mar. 2025 The newcomer is María Victoria Martínez as Carolina, who has the right chaotic chemistry with Luis Vega as Juan. — Christopher Arnott, Hartford Courant, 19 Mar. 2025 See All Example Sentences for chemistry

Word History

Etymology

earlier chymistrie, chymistrie, from chymist, chimist chemist + -ry, probably after earlier alchemistri, alcumistry "alchemy"

Note: Regarding distinctions between chemistry and alchemy see note at chemist.

First Known Use

1646, in the meaning defined at sense 1

Time Traveler
The first known use of chemistry was in 1646

Phrases Containing chemistry

Rhymes for chemistry

See All Rhymes for chemistry

Browse Nearby Words

chemistry
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Cite this Entry

“Chemistry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemistry. Accessed 25 Mar. 2025.

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Kids Definition

chemistry

noun
chem·​is·​try ˈkem-ə-strē How to pronounce chemistry (audio)
1
: a science that deals with the composition, structure, and properties of substances and with the changes that they go through
2
: chemical composition, properties, or processes
the chemistry of gasoline
the chemistry of iron
the chemistry of blood
chemist
-əst
noun
Etymology

an altered form of obsolete chimistry, chymistry "alchemy," derived from Latin alchimista "alchemist," from alchymia "alchemy," from Arabic al-kīmiyā' (same meaning), from al "the" and kīmiyā' "alchemy," from Greek chēmeia "alchemy" — related to alchemy, chemo-

Medical Definition

chemistry

noun
chem·​is·​try ˈkem-ə-strē How to pronounce chemistry (audio)
plural chemistries
1
: a science that deals with the composition, structure, and properties of substances and of the transformations that they undergo
2
a
: the composition and chemical properties of a substance
the chemistry of hemoglobin
b
: chemical processes and phenomena (as of an organism)
blood chemistry

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