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micro-

(MY-kro)

small

Greek for small. Microscope, microphone, microwave — all about smallness or fine detail.

Example words

  • microscope

    a tool for seeing very small things

  • microphone

    a device that picks up small sounds

  • microwave

    a very short wave (and the oven that uses it)

  • microbe

    a tiny living thing

Common Core alignment

Grades served: 4, 5

  • L.4.4bUse common, grade-appropriate Greek and Latin affixes and roots as clues to the meaning of a word (e.g., telegraph, photograph, autograph).
  • L.5.4bUse common, grade-appropriate Greek and Latin affixes and roots as clues to the meaning of a word (e.g., photograph, photosynthesis).

Related roots

Number & quantity. Roots that count, measure, and tell you how many.

Browse all number & quantity roots →
L.4.4bL.5.4b
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