This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. An analytic procedure in which a sample is heated in a furnace to leave a residue of ash, either to determine the gross mineral content, or as a preparation for further analysis

"African American skin tends to dry out faster than Caucasian skin and along with that comes the "ashing" of the elbows, the face, the knees, and the feet."

poison ash   

ashed    ashes    ashing    ashs   

change    modify    alter    wood   

in sackcloth and ashes    dust and ashes    blue ash    river-ash    arizona ash    basket-ash    texas ash    blueberry-ash    crow's ash    canada ashes   

ashes   

cinerary    ashen    ash tree   

Asch    Ashe    Bash    Cash    Flash    Nash    Tash    abash    bash    brash   

dust    smoke    sand    coal    débris    oak    clay    salt    powder    wood