designating, of, or using a lamp or light, esp. a flashbulb, electrically synchronized with the shutter
noun
2.
a photoflash bulb, lamp, etc.
photoflash in American English
(ˈfoutəˌflæʃ)
noun
1.
a flashbulb
adjective
2.
of or pertaining to flash photography
Word origin
[1925–30; photo- + flash]This word is first recorded in the period 1925–30. Other words that entered Englishat around the same time include: Nazi, chain reaction, off-line, recycle, turnaroundphoto- is a combining form meaning “light” (photobiology); also used to represent “photographic” or “photograph” in the formation of compoundwords. Other words that use the affix photo- include: photocell, photocoagulation, photogen, photolithography, photosensitivity