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Webster 1913 Edition

Adj.

[Gr.

μύρον

a sweet-smelling unguent.]

(Chem.)

Pertaining to, or obtained from, mustard; – used specifically to designate a glucoside called myronic acid, found in mustard seed.

myronic ‎(comparative more myronic, superlative most myronic)

fragrant, perfumed
- 1974, Guy Davenport, Tatlin!:
  He wore only a thin-bretelled blue undershirt that rucked under his pectoral mass but stretched ceaseless across his myronic flanks.