Similar words: aback, acute, acumen, vacuum, lacuna, faculty, evacuate, mea culpa. Meaning: ['æbəkəs] n. 1. a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave 2. a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves.

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1 They also learned to use the

*abacus*.2 The

*abacus*was the precursor of the modern electronic calculator.3 Sometimes he calculates the price on an

*abacus*and then indicates the total.4 Once in a while, the numbers fall, the

*abacus*clicks into a pattern.5 Make an

*abacus*and write a report about its usefulness in terms of place value and computation.6 She gave him an

*abacus*, explained the basic principles, and showed him how to make his trick work even better.7 Vocabulary is words, lists of,

*abacus*beads, each encapsulating a precise idea.8 The

*abacus*is the ancestor of the modern computer.9 The

*abacus*is still in use today Chinatowns abroad.10 She can reckon rapidly on the

*abacus*.11 They don't use an

*abacus*when they count, right?12 Do you know how to work an

*abacus*?13 Masterly crafted to perfection, this exquisite Chinese

*abacus*has gold plating and Afghanistan white jade counters.14 I've passed the tests of business skills for

*abacus*and shorthand.15 A : So am I. Using an

*abacus*is still a basic accounting.16 A is an

*Abacus*, the ancient Chinese adding machine which uses beads for counting.17 The

*abacus*fell down on the ground and the beads went everywhere.18 They do use an

*abacus*when they count, do they?19 Look up words and concepts like

*abacus*, Thales' theorem, obtuse triangle and a lot more in this special site.20 She is a passive person like an

*abacus*, lacking initiative in everything.21 What distinguishes the

*Abacus*case from other doomed subprime deals are the e-mails written by a young Goldman vice-president and now co-defendant, Fabrice Tourre.22 Children thinking courses:

*abacus*calculation, English, literature special education,[www.Sentencedict.com] English language.23 Vassily Prokofyevich, the manager, was doing his accounts, snapping his

*abacus*.24 The central volutes intertwine and a tendril and foliage breaks the line of the

*abacus*between these and the angle volutes.25 About twelve worshippers dotted the empty, evenly-spaced pews, like lonely beads on a child's

*abacus*.26 All of them will make either a slide rule or an

*abacus*as a way of presenting how number sets work.27 Calculating machines One of the first calculating machines was an

*abacus*.28 The children are learning to do their sums on an

*abacus*.29 Those are two good plays, " Chuehhsin interjected, still manipulating his

*abacus*. " Unfortunately, I haven't the time. "30 From the opposite corner of the blackboard leans an

*abacus*.