noun · 4 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
/ˈmɛɡəˌbaɪt/
Southern-England:Recorded audio is listed in the source snapshot.
CMU ARPABET:M EH1 G AH0 B AY2 T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
One million (106, or 1,000,000) bytes or 1,000 kilobytes.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
noun
Meaning 3
a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: mebibyte, M, MB, MiB
Antonyms: none provided
Broader terms: computer memory unit
4
noun
Meaning 4
a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: M, MB
Antonyms: none provided
Broader terms: computer memory unit
History
Etymology
Etymology tree Proto-Indo-European *méǵh2s Proto-Hellenic *mégas Ancient Greek μέγᾰς (mégăs)der. English mega- Proto-Indo-European *bheyd- Proto-Indo-European *bhéydt Proto-Germanic *bītaną Proto-West Germanic *bītan Old English bītan Middle English biten English bite English byte English megabyte From mega- + byte.
Across languages
Translations
37 source translations are retained for this English entry.
Arabic:
مِيغَابَايْت
(miḡabayt)
— about a million bytes
Bengali:
মেগাবাইট
(megabaiṭ)
— about a million bytes
Chinese Mandarin:
兆字節 /兆字节
(zhàozìjié)
— about a million bytes
Chinese Mandarin:
MG
— about a million bytes
Czech:
megabyte
— about a million bytes
Czech:
megabajt
— about a million bytes
Esperanto:
megabitoko
— about a million bytes
Esperanto:
megabajto
— about a million bytes
Finnish:
megatavu
— about a million bytes
French:
mégaoctet
— about a million bytes
French:
mégabyte
— about a million bytes
Georgian:
მეგაბაიტი
(megabaiṭi)
— about a million bytes
German:
Megabyte
— about a million bytes
Greek:
μεγκαμπάιτ
(megkampáit)
— about a million bytes
Greek:
μεγαδυφιοσυλλαβή
(megadyfiosyllaví)
— about a million bytes
Hebrew:
מגה־בית
— about a million bytes
Hungarian:
megabyte
— about a million bytes
Icelandic:
megabæti
— about a million bytes
Japanese:
メガバイト
(megabaito)
— about a million bytes
Korean:
메가바이트
(megabaiteu)
— about a million bytes
Macedonian:
мегабајт
(megabajt)
— about a million bytes
Navajo:
tááłtsohʼííłké
— about a million bytes
Polish:
megabajt
— about a million bytes
Portuguese:
megabyte
— about a million bytes
Romanian:
megabyte
— about a million bytes
Romanian:
megaoctet
— about a million bytes
Russian:
мегаба́йт
(megabájt)
— about a million bytes
Serbo-Croatian:
ме̏габајт
— about a million bytes
Serbo-Croatian:
mȅgabajt
— about a million bytes
Spanish:
megabyte
— about a million bytes
Swahili:
megabaiti
— about a million bytes
Thai:
เมกะไบต์
— about a million bytes
Tibetan:
ཡིག་ཚིགས་ས་ཡ
(yig tshigs sa ya)
— about a million bytes
Turkish:
megabayt
— about a million bytes
Ukrainian:
мегаба́йт
(mehabájt)
— about a million bytes
Uyghur:
مېگابايت
(mëgabayt)
— about a million bytes
Yiddish:
מעגאַבײַט
(megabayt)
— about a million bytes