What is the meaning of Micro?

Small, relatively small; used to contrast levels of the noun modified.

Clipping of microwave oven.

Clipping of microeconomics.

short form of microcomputer

micromanagement

A very small person, in the context of microphilia or macrophilia.

to micromanage

mic (microphone); clipping of microphone

micro (microcomputer); clipping of micro-ordinateur

microscope; clipping of microscope

minibus

public bus

public bus

microwave

mic, microphone

Source: wiktionary.org