micro-
combining form /maɪkrəʊ/,  /maɪkrə/,  /maɪˈkrɒ/
  /maɪkrəʊ/,  /maɪkrə/,  /maɪˈkrɑː/
- (in nouns, adjectives and adverbs) small; on a small scale
- microchip
 - microorganism
 
 - (in nouns; used in units of measurement) one millionth
- a microlitre
 
 
Word Originfrom Greek mikros ‘small’.