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# id

«id» in Mova's school dictionary: **short for identification: a card or document that shows…** — its meaning for a pupil, its sense in the lessons and examples.

### part of speech

noun (ID — identification, ids or IDs); noun (the id — psychology term)

### meaning for a pupil

1) ID (usually written in capitals) is short for identification: a card or document that shows who you are, like a passport or student card. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#m1)

2) An ID can be a number or name that identifies something, like a user ID or a product ID. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#m2)

3) In psychology, the id is the part of the mind with basic wishes and instincts. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#m3)

4) In old books and notes, Id. is short for idem, meaning "the same", used to point back to the work just named. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#m4)

### sense in the lessons

In everyday life and safety: adults show ID to travel, at banks or to prove their age; children may have school ID badges; in online safety, never share your ID details, passwords or ID numbers with strangers. In computing lessons, each user or record has an ID. Phrases: photo ID, show your ID, ID card, user ID.

### examples

- You need photo ID to get on the plane. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#x1)
- The visitors wore ID badges at school. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#x2)
- Please type your user ID and password. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#x3)
- Never share your ID details with strangers online. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#x4)
- The police checked the man's ID. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#x5)
- Each book in the library has an ID number. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/id/#x6)

### note

Usually written «ID» in capitals and pronounced as two letters, «eye-dee». «To ID someone» (informal) means to identify them. Do not confuse with «I'd» (I would / I had). The psychology word «id» is written in lower case.

### Trees and pragmatics

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