piezoluminescence

https://doi.org/10.1351/goldbook.P04672
luminescence 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 (https://doi.org/10.1351/pac199668122223)