magistral,
a. [L.
magistralis: cf. F.
magistral. See
Magistrate.].
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Pertaining to a master; magisterial; authoritative; dogmatic. [1913 Webster]
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Commanded or prescribed by a magister, esp. by a doctor; hence, effectual; sovereign; as, a magistral sirup. Bacon. [1913 Webster]
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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.