# megabyte
## English
### Etymology

From mega- +‎ byte.

### Pronunciation

* IPA: /ˈmɛɡəˌbaɪt/
* Audio (Southern England):(file)

### Noun

megabyte (plural megabytes)
* (computing, formal) One million (10$^6$, or 1,000,000) bytes or 1,000 kilobytes.
** 1964, System/360 System Summary, IBM, page 27:The IBM 2301 Drum Storage (Figure 20) provides random access storage of approximately 4 million bytes at a data rate of 1.2 megabytes per second.
** 1973, Reference Manual for IBM 3340/3344 Disk Storage, IBM, page 3:This 70-megabyte [69,889,536 bytes] data module contains fixed heads in addition to the normal access heads.
* (computing, informal) A mebibyte.
** 2003, Michael Meyers, Managing and Troubleshooting PCs, page 933:One megabyte is 1,048,576 bytes. One megahertz, however is a million Hertz.
** 2004, Kerry Cox, Christopher Gerg, Managing Security with Snort and IDS Tools, page 92:Defaults to 2 megabytes (2,097,152 bytes).
** 2006, Eriq Oliver Neale, Microsoft Small Business Server 2003 Unleashed, page 290:By default, each log file [...] is exactly 5 megabytes (5,242,880 bytes) in size.

#### Synonyms

* MB, ㎆

#### Coordinate terms

* Previous: kilobyte
* Next: gigabyte

#### Related terms

* mebibit
* mebibyte
* megabit

#### Translations
## Czech
### Alternative forms

* megabajt

### Etymology

From mega- +‎ byte.

### Pronunciation

* IPA: [ˈmɛɡabajt]

### Noun

megabyte m inan
* megabyte

#### Declension
### Further reading

* “megabyte”, in Kartotéka Novočeského lexikálního archivu (in Czech)
* megabyte in Akademický slovník cizích slov, 1995, at prirucka.ujc.cas.cz

## Italian
### Etymology

Unadapted borrowing from English megabyte. By surface analysis, mega- +‎ byte.

### Noun

megabyte m (invariable)
* (computing) megabyte

## Portuguese
### Etymology

Unadapted borrowing from English megabyte.

### Pronunciation

* (Brazil) IPA: /ˌmɛ.ɡaˈbaj.t͡ʃi/ [ˌmɛ.ɡaˈbaɪ̯.t͡ʃi], /ˌmɛ.ɡaˈbajt͡ʃ/ [ˌmɛ.ɡaˈbaɪ̯t͡ʃ]
* (Brazil) IPA: /ˌmɛ.ɡaˈbaj.t͡ʃi/ [ˌmɛ.ɡaˈbaɪ̯.t͡ʃi], /ˌmɛ.ɡaˈbajt͡ʃ/ [ˌmɛ.ɡaˈbaɪ̯t͡ʃ]
** (Southern Brazil) IPA: /ˌmɛ.ɡaˈbajt͡ʃ/ [ˌmɛ.ɡaˈbaɪ̯t͡ʃ], /ˌmɛ.ɡaˈbaj.t͡ʃi/ [ˌmɛ.ɡaˈbaɪ̯.t͡ʃi]
* (Portugal) IPA: /ˌmɛ.ɡɐˈbajt/ [ˌmɛ.ɣɐˈβajt]

### Noun

megabyte m (plural megabytes)
* (computing) megabyte (one million bytes)

#### Synonyms

* Abbreviations: MB, mega

#### Coordinate terms

* Multiples of the byte: kilobyte, megabyte, gigabyte, terabyte, petabyte, exabyte, zettabyte, yottabyte

#### Related terms

* megabit
* mebibyte

## Spanish
### Etymology

Unadapted borrowing from English megabyte.

### Pronunciation

* IPA: /meɡaˈbait/ [me.ɣ̞aˈβ̞ai̯t̪]
* Rhymes: -ait

### Noun

megabyte m (plural megabytes)
* megabyte

#### Usage notes

According to Royal Spanish Academy (RAE) prescriptions, unadapted foreign words should be written in italics in a text printed in roman type, and vice versa, and in quotation marks in a manuscript text or when italics are not available. In practice, this RAE prescription is not always followed.

### Further reading

* “megabyte”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10