Metalochrome or Metallochrome: How To spell?

The word Metalochrome is misspelled against Metallochrome, a noun meaning "A coloring produced by the deposition of some metallic compound; specifically, the prismatic tints produced by depositing a film of peroxide of lead on polished steel by electricity."

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