chemistry
/ˈkɛm.ɪ.stɹi/noun
The science that studies what substances are made of and how they change when their molecules are rearranged.
Also the standard word for a spark between people: two actors or new acquaintances can 'have chemistry'.
Related words
physicsThe science that studies matter, energy, space, and time, and how they interact.biologyThe science that examines living things and how they function.geographyThe subject that studies the earth's surface, its features, and how people interact with them.geometryThe area of mathematics concerned with shapes, sizes, and the relationships between points, lines, and surfaces.historyEverything that happened in the past, considered as a whole.algebraA branch of mathematics that uses letters and symbols to stand for unknown numbers in equations.