multiphoton absorption

https://doi.org/10.1351/goldbook.M04052
See: multiphoton process
See also: biphotonic excitation
Source:
PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2255 (https://doi.org/10.1351/pac199668122223)