piezoluminescence

https://doi.org/10.1351/goldbook.P04672
@L03641@ observed when certain solids are subjected to a change in pressure.
See:
triboluminescence
Source:
PAC, 1996, 68, 2223. (Glossary of terms used in photochemistry (IUPAC Recommendations 1996)) on page 2265 [Terms] [Paper]