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Synonyms

chemistry

American  
[kem-uh-stree] / ˈkɛm ə stri /

noun

plural

chemistries

  1. the science that deals with the composition and properties of substances and various elementary forms of matter.

  2. chemical properties, reactions, phenomena, etc..

    the chemistry of carbon.

  3. the interaction of one personality with another.

    The chemistry between him and his boss was all wrong.

  4. sympathetic understanding; rapport.

    the astonishing chemistry between the actors.

  5. any or all of the elements that make up something.

    the chemistry of love.
chemistry British  
/ ˈkɛmɪstrɪ /

noun

  1. the branch of physical science concerned with the composition, properties, and reactions of substances See also inorganic chemistry organic chemistry physical chemistry

  2. the composition, properties, and reactions of a particular substance

  3. the nature and effects of any complex phenomenon

    the chemistry of humour

  4. informal a reaction, taken to be instinctual, between two persons

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
chemistry Scientific  
/ kĕm′ĭ-strē /

  1. The scientific study of the structure, properties, and reactions of the chemical elements and the compounds they form.

  2. The composition, structure, properties, and reactions of a substance.

chemistry Cultural  

  1. The study of the composition, properties, and reactions of matter, particularly at the level of atoms and molecules.

Etymology

Origin of chemistry

First recorded in 1590–1600; chemist + -ry; replacing earlier chymistry, chimistry

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“We haven’t fought the root cause,” the chemistry major said.

From The Wall Street Journal • Apr. 3, 2026

How do you know when a cast’s chemistry is working?

From Los Angeles Times • Apr. 1, 2026

These differences show that Bennu's chemistry varies significantly from place to place, even at extremely small scales.

From Science Daily • Mar. 31, 2026

Next he turned to AlphaFold, a scientific AI model that won 2024's chemistry Nobel, to better understand one of the mutated doggy genes.

From Barron's • Mar. 30, 2026

But as chemistry developed in the eighteenth and nineteenth centuries, people began to look back on Boyle’s book as a turning point.

From "The Scientists" by John Gribbin

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.