EQUIVOCAL a.
Uncertain, as an indication or sign; doubtful. "How equivocal a test." Burke. Equivocal chord (Mus.), a chord which can be resolved into several distinct keys; one whose intervals, being all minor thirds, do not clearly indicate its fundamental tone or root; the chord of the diminished triad, and the diminished seventh…
EXPRESSION n.
vivid representation of meaning, sentiment, or feeling, etc.; significant and impressive indication, whether by language, appearance, or gesture; that manner or style which gives life and suggestive force to ideas and sentiments; as, he reads with expression; her performance on the piano has expression. The imitators…