Mechanochemistry

Mechanochemistry is the coupling of the mechanical and the chemical on a molecular scale includes mechanical breakage, polymer degradation under shear, cavitation-related phenomena (e.g., sonochemistry and sonoluminescence), shockwave chemistry and physics, and even the burgeoning field of molecular machines. It can be seen as an interface between chemistry and mechanical engineering.

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The term mechanochemistry is also sometimes used in molecular nanotechnology as a synonym for mechanosynthesis, the hypothetical process by which molecular assemblers would operate. Also called "positional synthesis" or "positional assembly", it is a technique for forming chemical bonds by direct computer control of the position of molecules.