micro
noun
[ ˈmʌɪkrəʊ ]
• a microcomputer.
• a microprocessor.
• a very short miniskirt or minidress.
micro
adjective
• extremely small.
• "a micro buffet area"
micro-
combining form
• small.
• "microcar"
• (used in units of measurement) denoting a factor of one millionth (10−6).
• "microfarad"
Origin:
from Greek mikros ‘small’.