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# ir

«ir» in Mova's school dictionary: **a prefix meaning «not», used before words beginning with…** — its meaning for a pupil, its sense in the lessons and examples, with 5 sentences of Mova's corpora that use it.

### part of speech

fragment (ir-, prefix; IR, abbreviation)

### meaning for a pupil

1) «Ir-» is a prefix meaning «not», used before words beginning with «r», as in irregular (not regular), irresponsible (not responsible) and irrelevant (not relevant). [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#m1)

2) «IR» is a short form for infrared, light just beyond red that we cannot see but feel as heat, used in TV remote controls. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#m2)

3) «Ir» is the chemical symbol for the element iridium. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#m3)

4) (Irish, Scots, slang) In some written dialect, «ir» may stand for «our» or «are». [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#m4)

### sense in the lessons

In spelling lessons, «ir-» explains the double r in words like «irregular» and «irresistible»: ir + regular. In science lessons, IR (infrared) cameras see heat and remote controls send IR signals. It is not a word on its own in standard English.

### examples

- «Irregular» means «not regular»; the «ir-» means not. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#x1)
- The TV remote sends an IR signal to the television. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#x2)
- An IR camera can show warm animals at night. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#x3)
- Add «ir-» to «responsible» to make «irresponsible». [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#x4)
- «Ir» is the symbol for iridium on the periodic table. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#x5)
- Irrelevant means not connected to the topic. [tree →](https://md.mova.elamur.ai/free/en/corpora/dictionaries/school/I/ir/#x6)

### note

Not an English word on its own. As a prefix it doubles the «r»: ir + rational = irrational. Other «not» prefixes: un-, in-, im- (before m, p, b), il- (before l). «IR» in capitals is an abbreviation.

### In the corpora

- [Prefixes meaning «not» include un-, in-, im-, il- and ir-.](https://md.mova.elamur.ai/free/en/corpora/school/english/12-prefixes-un-dis-mis-re-pre-in-im-il-ir/14/)
- [Out of that land went forth Asshur, and builded Nineveh, and Rehoboth-ir, and Calah,](https://md.mova.elamur.ai/free/en/corpora/torah/jps/GEN.257/)
- [And the border of their inheritance was Zorah, and Eshtaol, and Ir-shemesh;](https://md.mova.elamur.ai/free/en/corpora/neviim/jps/JOS.531/)
- [And Eshton begot Beth-rapha, and Paseah, and Tehinnah the father of Ir-nahash.](https://md.mova.elamur.ai/free/en/corpora/ketuvim/jps/1CH.170/)
- [Shuppim also, and Huppim, the sons of Ir, Hushim, the son of another.](https://md.mova.elamur.ai/free/en/corpora/ketuvim/jps/1CH.332/)

### Trees and pragmatics

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