Metaline or Metalline: How To spell?

The word Metaline is misspelled against Metalline, a noun meaning "A substance of variable composition, but resembling a soft, dark-colored metal, used in the bearings of machines for obviating friction, and as a substitute for lubricants."

Metalline has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings meta & ine which should not be misspelled with single 'L'
Wrong Spelling:  meta-l-ine 
Correct Spelling:  meta-ll-ine 
Find more wrongly spelled words of Metalline to spell it well.