[医]
硝
甲苯

tnt
[ noun ]
explosive consisting of a yellow crystalline compound that is a flammable toxic derivative of toluene
<noun.artifact> 
Explosive \Ex*plo"sive\, n.
1. An explosive agent; a compound or mixture susceptible of a
rapid chemical reaction, as {gunpowder}, {TNT},
{dynamite}, or {nitro-glycerine}.
[1913 Webster +PJC]
2. A sound produced by an explosive impulse of the breath;
(Phonetics) one of consonants p, b, t, d, k, g, which are
sounded with a sort of explosive power of voice.
Note: [See Guide to Pronunciation, [root] 155-7, 184.]