PETN 
(pē′ē′tē′ĕn)
(pē′ē′tē′ĕn)n.
A highly explosive chemical, C5H8N4O12, used in ammunition, detonators, and plastic explosives.
[p(enta)e(rythritol) t(etra)n(itrate).]
- San Pablo Bay
- San Pedro Channel
- San Pedro Sula
- San Rafael
- sans
- San Salvador
- sans-culotte
- San Sebastián
- Sansei
- sansevieria
- Sanskrit
- Sanskritic
- Sanskritist
- sans serif
- sans-serif
- Santa
- Santa Ana
- Santa Ana
- Santa Ana
- Santa Anna
- Santa Barbara
- Santa Barbara Islands
- Santa Catalina Island
- Santa Clara
- Santa Claus