napalm /ˈnāˌpä(l)m, ˈneɪˌpɑ(l)m
/ ▸ noun a highly flammable sticky jelly used in incendiary bombs and flamethrowers, consisting of gasoline thickened with special soaps.
▸ verb [with object] attack with bombs containing napalm.
– ORIGIN 1940s : from na(phthenic) and palm(itic acid).