napalm

 
Pronunciation: /ˈneɪpɑːm/

noun

[mass noun]
  • a highly flammable sticky jelly used in incendiary bombs and flame-throwers, consisting of petrol thickened with special soaps.

verb

[with object]
  • attack with bombs containing napalm.

Origin:

1940s: from na(phthenic) and palm(itic acid)