## dictionary

Definition / Define

# Mega-

/ˈmɛɡə/- Mega- Prefix
- Very large, great.
- In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by one million (106.) SI Symbol: M, computing abbreviation: Mi.
- Multiplying the unit to which it is attached by 220 (= 1,048,576, the binary round number closest to a million).
- Multiplying the unit to which it is attached by 210 × 103 (= 1024,000, the binary round number closest to thousand).