Definition of Mega-

1. Prefix. (context: originally) Very large, great. Denoting a size larger than usual. ¹

2. Prefix. 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. ¹

3. Prefix. (computing) Multiplying the unit to which it is attached by 220 (= 1,048,576, the binary round number closest to a million). ¹

4. Prefix. (context: computing, marketing) Multiplying the unit to which it is attached by 210 × 103 (= 1024,000, the binary round number closest to thousand). ¹

¹ Source: wiktionary.com

Medical Definition of Mega-

1. Metric prefix indicating 1,000,000 times a given quantity. For example, a megawatt is 1,000,000 watts. (29 Oct 1998)

Lexicographical Neighbors of Mega-

meets
meets up
meetup
meetups
mefenorex
mefenorex hydrochloride
mefexamide
meff
meffs
mefloquine
mefloquine hydrochloride
mefruside
meg-
mega
mega- (current term)
mega-amp
mega-amps
mega-annum
mega-buck
mega-bucks
mega-church
mega-churches
mega-joule
mega-joules
mega-oesophagus
mega-ohm
mega-ohms
mega-volt
mega-volts

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