noun (plural chemistries)
1 the branch of science concerned with the substances of which matter is composed, the investigation of their properties and reactions, and the use of such reactions to form new substances.
2 the complex emotional or psychological interaction between people: their affair was triggered by intense sexual chemistry
Chemistry is the science of matter, especially its chemical reactions, but also its composition, structure and properties. Chemistry is concerned with atoms and their interactions with other atoms, and particularly with the properties of chemical bonds.Chemistry is sometimes called “the central science” because it connects physics with other natural sciences such as geology and biology. Chemistry is a branch of physical science but distinct from physics.The etymology of the word chemistry has been much disputed. The genesis of chemistry can be traced to certain practices, known as alchemy, which had been practiced for several millennia in various parts of the world, particularly the Middle East