phototest/ˈfoʊtoʊtɛst/EtymologyFrom photo- + test, not only reflecting clipping of photosensitivity test but also reflecting the fact that the test often is literally a "light test", such as with timed exposure to a measured amount of UV-A or UV-B.phototest means A photosensitivity test. Lexicurio rates it Rare gem — a strength score of 80 out of 100.phototest is pronounced /ˈfoʊtoʊtɛst/.nounA photosensitivity test.verbTo test (something; usually someone's skin) with a photosensitivity test.