oscillance|ˈɒsɪləns| [f. L. oscillānt-em, pr.pple. of oscillāre: see oscillant and -ance.] An oscillation; a swinging to and fro. 1852Bailey Festus (ed. 5) xxviii. 466 My heart's poles now are fixed like earth's in Heaven,..and all ceased Their torrid oscillances [ed. 4, 1848, oscillancies].