Polynuclair or Polynuclear: How To spell?

The word Polynuclair is misspelled against Polynuclear, an adjective meaning "Containing many nuclei."

Polynuclear has vowels 'ea' together mispronounced as 'ai'
Word contains consecutive vowels 'EA' in between alphabets polynucl & r is misspelled as 'AI'
Wrong Spelling:  polynucl-ai-r 
Correct Spelling:  polynucl-ea-r 
Check more misspelled words of Polynuclear to spell it correct.

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