释义 |
ab·a·cus \ˈabə̇kəs, əˈbak- also əˈbäk- or əˈbȧk-\ noun (plural aba·ci \ˈabəˌsī, -ˌkī, -ˌkē, əˈbaˌkī also əˈbäˌkī or -bȧ- or -ˌkē\ ; or ab·acus·es) Etymology: Latin, from Greek abak-, abax, literally, slab 1. : a slab that forms the uppermost member or division of the capital of a column and that supports the architrave 2. : a calculating instrument for performing arithmetical processes by sliding counters by hand on rods or in grooves [abacus 2] |