This word is acceptable for play in the UK dictionary that is being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A gradual oxidation from exposure to air and moisture, as in the decay of old trees or dead animals.

n. A gradual oxidation from exposure to air and moisture, as in the decay of old trees or of dead animals.

n. In chem., a slow combustion or oxidation; the act of gradual combination of the combustible elements of a body with the oxygen of the air, as in the slow decay of wood, in the formation of acetic acid from alcohol, or of niter by the decomposition of animal matter, and in numerous other processes: a term introduced by Liebig.

"In 2006, Samir lost in the seventh round because of just such a word, "eremacausis" ( "gradual oxidation of organic matter from exposure to air and moisture")."