1890 Picrated, in pyrotechnics, mixed with a picrate as in a composition for a whistling rocket.
1997 Re: Aluminum Questions in rec.pyrotechnics (Usenet newsgroup) 6 July Someone explained to me that once a metal has been oxidized..it no longer acts as a reducing agent. However, if it is fulminated or picrated, the metal is not oxidized, but still bonded to the oxidizer.