binoternary,a.|baɪnəʊˈtɜːnərɪ| [f. L. bīnī two by two + ternary; cf. F. binoternaire.] Combining binary and ternary characteristics. 1817R. Jameson Haüy's Crystallog. in Min. 217 Binoternary (binoternaire), when there is one [decrement] by two, and the other by three rows.