abacus ['æbəkəs] n
construct.	абак m (алешаBG)
English thesaurus
ABACUS ['æbəkəs] abbr.
abbr., ed., scient.	Association Of British And Chinese University Students
abbr., mil.	Air Battle Analysis Center Utility System
abbr., scottish	Advanced Battlefield Computer Simulation (UK); Artillery Battery Computer Support system