Refractorines or Refractoriness: How To spell?
The word Refractorines is misspelled against Refractoriness, a noun meaning "The quality or condition of being refractory."
Refractoriness has double 'ss' in the end mispronounced as 's'Remember double 'SS' appears in the end of this word which should not be misspelled with single 'S'
Wrong Spelling:  refractorine-s  Correct Spelling:  refractorine-ss 
Find more incorrect spellings of Refractoriness to spell right way.