magistral

Of or relating to a magistrate; magisterial.

Prepared as specified by a physician’s prescription. Used of medicine.

Principal; main.

Befitting a master or magistrate; magisterial; authoritative.

Having sovereign remedial qualities.

In pharmacy, prescribed or prepared for the occasion: applied to medicines which are not kept prepared or made up.

In alchemy and old medicine, a sovereign medicine or remedy.

In fortification, the guiding line from which the position of the other lines or works is determined.

An officer in cathedral and collegiate churches and royal chapels in Spain, generally a canon, whose duty it was to preach a certain course of sermons.

4 (Sp. pron. ma-his-träl′ ). Copper pyrites or other sulphureted ores of copper roasted at a carefully regulated temperature with free access of air. It is used in the Mexican “patio process” (which see, under process).