ir
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 →
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 →
3) «Ir» is the chemical symbol for the element iridium. tree →
4) (Irish, Scots, slang) In some written dialect, «ir» may stand for «our» or «are». tree →
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 →
- The TV remote sends an IR signal to the television. tree →
- An IR camera can show warm animals at night. tree →
- Add «ir-» to «responsible» to make «irresponsible». tree →
- «Ir» is the symbol for iridium on the periodic table. tree →
- Irrelevant means not connected to the topic. tree →
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-.
- Out of that land went forth Asshur, and builded Nineveh, and Rehoboth-ir, and Calah,
- And the border of their inheritance was Zorah, and Eshtaol, and Ir-shemesh;
- And Eshton begot Beth-rapha, and Paseah, and Tehinnah the father of Ir-nahash.
- Shuppim also, and Huppim, the sons of Ir, Hushim, the son of another.
Trees and pragmatics
Every meaning and example of «ir» parsed by Mova, each sentence with its dependency tree and frames.