Unscramble Irimref

What is the meaning of word irimref unscrambled?

What 7 letter words can be made from letters I R I M R E F:

1. rimfire - Definition of rimfire

Make more words by adding or removing letters

How many 6 letter words can you make from letters I R I M R E F?

1. firmer - Definition of firmer

2. mirier - Definition of mirier

3. rimier - Definition of rimier

Which 6 letter words can be made by removing one letter and unscrambling the remaining letters?
1) Removing the letter I and unscrambling rimref
2) Removing the letter R and unscrambling iimref
3) Removing the letter I and unscrambling irmref
4) Removing the letter M and unscrambling iriref
5) Removing the letter R and unscrambling irimef
6) Removing the letter E and unscrambling irimrf
7) Removing the letter F and unscrambling irimre

More anagrams containing the letters I R I M R E F
irimrfe irirefm ieifmrr frermii