Diming or Dimming: How To spell?
The word Diming is misspelled against Dimming, which is present continuous of "Dim"
Dimming has double "mm" is mispronounced as "m"Remember double 'MM' in between the strings di & ing which should not be misspelled with single 'M'
Wrong Spelling:  di-m-ing  Correct Spelling:  di-mm-ing 
Find more wrongly spelled words of Dimming to spell it well.