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abacus

C1 noun

abacus /ˈæb.ə.kəs/ nghĩa là bàn tính

Các nghĩa

  1. bàn tính

    A device used for performing arithmetical calculations; (rare) a table on which loose counters are placed, or (more commonly) an instrument with beads sliding on rods, or counters in grooves, with one row of beads or counters representing units, the next tens, etc.

    I’ve heard merchants still use an abacus for adding things up in China.

  2. đầu cột · đỉnh cột

    The uppermost portion of the capital of a column immediately under the architrave, in some cases a flat oblong or square slab, in others more decorated.

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