Pupilometer or Pupillometer: How To spell?

The word Pupilometer is misspelled against Pupillometer, a noun meaning "An instrument for measuring the size of the pupil of the pupil of the eye."

Pupillometer has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings pupi & ometer which should not be misspelled with single 'L'
Wrong Spelling:  pupi-l-ometer 
Correct Spelling:  pupi-ll-ometer 
Check more misspelled words of Pupillometer to spell it correct.