The word "fusion" has two completely different meanings in physics. In nuclear physics, it refers to the combination of light-weight nuclei to form heavier, more stable nuclei. Some of the simplest nuclear fusion reactions include
In physical chemistry, the word "fusion" is a synonym for solidification.
Deuterium, Fission, Hydrogen, Latent Heat of Fusion, Packing Fraction, Plasma Physics, Solidification, Tritium
References
Lawrence Livermore National Laboratory. "FusEd Web: Fusion Energy Educational Web Site." http://fusedweb.llnl.gov/.
