Chemistry is a branch of physical science that studies the composition, structure, properties and change of matter. Chemistry includes topics such as the properties of individual atoms, how atoms form chemical bonds to create chemical compounds, the interactions of substances through intermolecular forces that give matter its general properties, and the interactions between substances through chemical reactions to form different substances.
Noun 1. the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (synonym) chemistry (hypernym) natural science (hyponym) immunochemistry, chemoimmunology (class) acidic