- a single integrated circuit performing the basic functions of the central processing unit in a small computer
WordReference Random House Learner's Dictionary of American English © 2026
mi•cro•proc•es•sor /ˈmaɪkroʊˌprɑsɛsɚ, -əsɚ/USA pronunciation
n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- Computinga small computer circuit that performs all the functions of a CPU.
mi•cro•proc•es•sor
(mī′krō pros′es ər, -ə sər; esp. Brit. -prō′ses ər, -sə sər),USA pronunciation n.
mi ′cro•proc′es•sing, n.
- Computingan integrated computer circuit that performs all the functions of a CPU.
- micro- + processor 1965–70
Collins Concise English Dictionary © HarperCollins Publishers::
microprocessor /ˌmaɪkrəʊˈprəʊsɛsə/ n
'microprocessor' also found in these entries (note: many are not synonyms or translations):