- In <em>solmization</em>, a syllable once used for Bь.
- An intensive or augmentative prefix sometimes used in forming modern scientific words to emphasize the character or quality noted by the element to which it is prefixed (like E. <internalXref urlencoded="very">very</internalXref>, a.), as in <internalXref urlencoded="zalambdodont">zalambdodont</internalXref>, having teeth with a very V-shaped ridge, <em>Zalophus, Zamelodia, Zapus</em>, etc.
- An old solfeggio name for B flat; the seventh harmonic, as heard in the or æolian string; -- so called by Tartini. It was long considered a false, but is the true note of the chord of the flat seventh.
- A syllable formerly used in <xref>solfège</xref> to represent B flat.