trinitrocellulose

== English == === Etymology === From tri- +‎ nitrocellulose, because regarded as containing three nitro groups. === Noun === trinitrocellulose (uncountable) (obsolete) nitrocellulose; gun cotton. === References === “trinitrocellulose”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.