abacus

1. 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.

   Abakus, Rechenbrett, Rechenrahmen

   аба́кabák, счётыsčóty

   аба́кabák, рахівни́цяraxivnýcja

2. 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.

   Kapitelldeckplatte

   аба́кabák, аба́каabáka

   аба́кabák, аба́каabáka

   a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave

3. (Ancient Rome, історичне)A board, tray, or table, divided into perforated compartments for holding bottles, cups, or the like; a kind of buffet, cupboard, or sideboard.

4. (історичне, застаріле)A table or tray scattered with sand which was used for calculating or drawing.

   аба́кabák

1. What is an abacus used for?

   ruДля чего нужны счёты?

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2. Tom knows how to use an abacus.

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3. Do you know how to use an abacus?

   ruТы умеешь считать на счётах?

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4. I know how to add numbers on an abacus.

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5. I know how to do addition on an abacus.

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