Why was "tantrum" trending last week?
chemistry chem·is·try (kěm'ĭ-strē)
The science of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.
The composition, structure, properties, and reactions of a substance.
Feelings between persons; attractions and repulsions, but mainly attractions: Miss McElderry feels the unusual chemistry between her and Mr Pfeiffer has been beneficial/ He also struck up what one aide calls ''instant chemistry'' with US Secretary of State George Shultz