1. Perverse or sullen obstinacy in opposition or disobedience; difficulty of fusion.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• eefractoriness,
• defractoriness,
• fefractoriness,
• tefractoriness,
• 5efractoriness,
• 4efractoriness,
• rwfractoriness,
• rsfractoriness,
• rdfractoriness,
• rrfractoriness,
• r4fractoriness,
• refractiriness,
• refrictoriness,
• refrectoriness,
• refractariness,
• refracteriness,
• refractorinesses,
• refrectariness,
• refrecteriness,
• refrectoricness

• refractory pot,
• refractory-lined,
• refractory anemia,
• refractometer,
• refractiveness,
• refractory period.

The adjective form of the word "refractoriness" is "refractory".

The plural of the "refractoriness" can be the "refractorinesses".

The singular of the "refractoriness" can be the "refractoriness".