nitrocellulose
Concise Oxford English Dictionary © 2008 Oxford University Press:
nitrocellulose/nʌɪtrəʊˈsɛljʊləʊz/
▶noun Chemistry a highly flammable material made by treating cellulose with concentrated nitric acid, used to make explosives and celluloid.
'nitrocellulose' also found in these Oxford entries:

