American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "empyreal" in a sentence
"In this remarkable book he tells of his discovery of oxygen -- "empyreal" or "fire-air," as he calls it -- which he seems to have made independently and without ever having heard of the previous discovery by Priestley."
""empyreal" gas was, he supposed (very much as Wilson had done), generated in the body of the sun, and rising everywhere by reason of its lightness, made for itself, when in moderate quantities, small openings or "pores,"  abundantly visible as dark points on the solar disc."
"•The business of empyreal colonialism that exploits people"