Mercuramonium or Mercurammonium: How To spell?

The word Mercuramonium is misspelled against Mercurammonium, a noun meaning "A radical regarded as derived from ammonium by the substitution of mercury for a portion of the hydrogen."

Mercurammonium has double "mm" is mispronounced as "m"
Remember double 'MM' in between the strings mercura & onium which should not be misspelled with single 'M'
Wrong Spelling:  mercura-m-onium 
Correct Spelling:  mercura-mm-onium 
Check more misspelled words of Mercurammonium to spell it correct.

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