dĭătŏnĭcus

a, um, adj.
I. diatonic, in music: modulatio, Mart. Cap. 9, § 959; § 963.—
II. Neutr. as subst.: diatonicon, i, a kind of masonry filled in with rubble, Plin. 36, 22, 51, § 172.
Lewis & Short
A Latin Dictionary, 1879
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