Definition of micro-operation in English:

micro-operation

Pronunciation /ˌmʌɪkrəʊˌɒpəˈreɪʃn/

noun

  • 1Biology Surgery
    An operation performed under or with the aid of a microscope.

  • 2Computing
    A simple operation carried out in response to a microinstruction.

Origin

Early 20th century; earliest use found in Journal of the Royal Microscopical Society. From micro- + operation.