Coloidal or Colloidal: How To spell?
The word Coloidal is misspelled against Colloidal, an adjective meaning "Pertaining to, or of the nature of, colloids."
Colloidal has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings co & oidal which should not be misspelled with single 'L'
Wrong Spelling:  co-l-oidal  Correct Spelling:  co-ll-oidal 
Find more incorrect spellings of Colloidal to spell right way.