A source of incoherent radiation.
See: antimony–xenon lamp (arc), high-pressure mercury lamp (arc), low-pressure mercury lamp (arc), medium-pressure mercury lamp, iodine lamp, resonance lamp, xenon lamp
Source:
PAC, 1996, 68, 2223. 'Glossary of terms used in photochemistry (IUPAC Recommendations 1996)' on page 2251 (https://doi.org/10.1351/pac199668122223)