From Longman Dictionary of Contemporary EnglishRelated topics: Computersmicroprocessormi‧cro‧pro‧ces‧sor /ˈmaɪkrəʊˌprəʊsesə $ -kroʊˌprɑːsesər/ noun [countable]TDthe centralchip in a computer, which controls most of its operationsExamples from the Corpusmicroprocessor• The core of the 68360 is the new CPU32+, based on the 68020 microprocessor.• Science and technologydeal with things: atoms and galaxies, levers and microprocessors.• Finally the operatingspeeds of the motor and microprocessor must be reconciled.• The company blamedweaksales and falling chip prices for its microprocessors.• The priesthood of central computing has already given way to a secular world of laypeople playing with multiplyingmicroprocessors.• This approach also provides a directillustration of one majorapplication of microprocessors in process control.• To the right-hand side of this most advanceddisplay is the microprocessor time control.• But in this case, all three microprocessorsfailed.From Longman Business Dictionarymicroprocessormi‧cro‧pro‧ces‧sor /ˈmaɪkrəʊˌprəʊsesə-kroʊˌprɑː- sesər/ noun [countable]COMPUTINGthe central CHIP in a computer, which controls most of its operationsThe development of increasingly powerful and inexpensive microprocessors led to the widespread use of personal computers.