CHEMISTRY

[noun] [U] - (the part of science which studies) the basic characteristics of substances and the different ways in which they react or combine with other substancesShe studied chemistry and physics at college.A team of scientists has been studying the chemistry of the ozone layer.a chemistry department/laboratory(informal) Chemistry is also understanding and attraction between two people.I went out with him for two years, but the chemistry just wasn't there.There was an immediate sexual chemistry between us the first time we met.