Definition of "chemistry" []

• The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems. (noun)
• The composition, structure, properties, and reactions of a substance. (noun)
• The elements of a complex entity and their dynamic interrelation: "Now that they had a leader, a restless chemistry possessed the group” ( John Updike). (noun)
• Mutual attraction or sympathy; rapport: The chemistry was good between the partners. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "_organic chemistry_ as it is usually called, must be deferred until the student has gained some knowledge of the chemistry of other elements."
• "The most used spectroscopic method in chemistry is undoubtedly NMR (nuclear magnetic resonance), and Richard R. Ernst at"
• "So the obvious way to fill gaps in chemistry is with more chemistry."