[f. as prec. + -NESS.] The state or quality of being tremulous.
1727. Bailey, vol. II., Tremulousness, tremblingness.
1755. Johnson, Trill, quaver; tremulousness of musick.
1817. J. Evans, Excurs. Windsor, etc., 74. His whole manner evidently marked by a nervous tremulousness.
1857. H. Spencer, in Fraser’s Mag. Oct., 401/2. This tremulousness of voice is very effectively used by some vocalists.
