Colodion or Collodion: How To spell?

The word Colodion is misspelled against Collodion, a noun meaning "A solution of pyroxylin (soluble gun cotton) in ether containing a varying proportion of alcohol. It is strongly adhesive, and is used by surgeons as a coating for wounds; but its chief application is as a vehicle for the sensitive film in photography."

Collodion has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings co & odion which should not be misspelled with single 'L'
Wrong Spelling:  co-l-odion 
Correct Spelling:  co-ll-odion 
Find more incorrect spellings of Collodion to spell right way.