magistral

• POS: Adjective, Noun
• HYPHEN: mag=is=tral

CIDE DICTIONARY

magistral, a. [L. magistralis: cf. F. magistral. See Magistrate.].

•  Pertaining to a master; magisterial; authoritative; dogmatic.  [1913 Webster]
•  Commanded or prescribed by a magister, esp. by a doctor; hence, effectual; sovereign; as, a magistral sirup.  Bacon.  [1913 Webster]
•  Formulated extemporaneously, or for a special case; -- opposed to officinal, and said of prescriptions and medicines.  Dunglison.  [1913 Webster]

Magistral line (Fort.), the guiding line, or outline, by which the form of the work is determined. It is usually the crest line of the parapet in fieldworks, or the top line of the escarp in permanent fortifications.

magistral, n. 

•  A sovereign medicine or remedy.  Burton.  [1913 Webster]
•  A magistral line.  [1913 Webster]
•  Powdered copper pyrites used in the amalgamation of ores of silver, as at the Spanish mines of Mexico and South America.  [1913 Webster]

OXFORD DICTIONARY

magistral, adj.
1 of a master or masters.
2 Pharm. (of a remedy etc.) devised and made up for a particular case (cf. OFFICINAL).

Etymology

F magistral or L magistralis f. magister MASTER