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# mb

«mb» in Mova's school dictionary: **MB = megabyte: a unit of computer memory or file size…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

abbreviation (MB, Mb, mb)

### meaning for a pupil

1) (computing) MB = megabyte: a unit of computer memory or file size, about one million bytes. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#m1)

2) (computing) Mb = megabit, used for internet speed (Mbps, megabits per second); 8 megabits make 1 megabyte. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#m2)

3) (science, weather) mb = millibar, a unit of air pressure on weather maps. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#m3)

4) (MB) Short for Manitoba, a province of Canada. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#m4)

5) MB is also used for «Bachelor of Medicine» after a doctor's name. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#m5)

### sense in the lessons

In computing lessons pupils compare file sizes (KB, MB, GB): a photo is about 3 MB. In science and weather, air pressure is shown in millibars. On Canadian addresses, MB = Manitoba. Phrases: 5 MB file, 50 Mbps broadband.

### examples

- This photo is 3 MB. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x1)
- The file is too big to email; it is 40 MB. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x2)
- Our broadband speed is 70 Mbps. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x3)
- 1,000 MB is about 1 GB. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x4)
- The weather map shows 1,000 mb of pressure. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x5)
- Winnipeg, MB, is in Canada. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x6)
- A song is usually about 4 MB. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/#x7)

### note

Not a word, only an abbreviation. Capital B = byte, small b = bit: MB (megabyte) is 8 times bigger than Mb (megabit). In maths and computing problems, 1 GB ≈ 1,000 MB; 1 MB ≈ 1,000 KB (some computers use 1,024).

### Trees and pragmatics

[Every meaning and example of «mb» parsed by Mova](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/M/mb/), each sentence with its dependency tree and frames.