chemistry
noun
chem·is·try
ˈke-mə-strē 
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
Take 25 Hours, in Long Island City, for example, which is freighted with a depressing ambience that is equal parts chemistry lab and subterranean grotto.
—
Vince Aletti, New Yorker, 17 Apr. 2026
With former members Barnard and Scott Tuma (who contributed those subterranean guitar textures to Souled’s ’90s albums) long gone from the lineup, Sanctions thrives on the singular chemistry between Grigoroff and Adducci.
—Zach Schonfeld, Pitchfork, 17 Apr. 2026
In a surprising twist, the team stumbled upon a recipe so straightforward it could be replicated in a high school chemistry lab.
—Mrigakshi Dixit, Interesting Engineering, 17 Apr. 2026
The redshirt junior quarterback spent the spring working with his new teammates and building chemistry.
—Adam Lichtenstein, Sun Sentinel, 17 Apr. 2026
See All Example Sentences for chemistry
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Vince Aletti, New Yorker, 17 Apr. 2026
With former members Barnard and Scott Tuma (who contributed those subterranean guitar textures to Souled’s ’90s albums) long gone from the lineup, Sanctions thrives on the singular chemistry between Grigoroff and Adducci.
—Zach Schonfeld, Pitchfork, 17 Apr. 2026
In a surprising twist, the team stumbled upon a recipe so straightforward it could be replicated in a high school chemistry lab.
—Mrigakshi Dixit, Interesting Engineering, 17 Apr. 2026
The redshirt junior quarterback spent the spring working with his new teammates and building chemistry.
—Adam Lichtenstein, Sun Sentinel, 17 Apr. 2026
See All Example Sentences for chemistry
Cite this Entry
“Chemistry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chemistry. Accessed 23 Apr. 2026.
Copy CitationKids Definition
chemistry
noun
chem·is·try
ˈkem-ə-strē
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
noun
-əst
Medical Definition
chemistry
noun
chem·is·try
ˈkem-ə-strē
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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