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

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v. Present participle of machine.

n. The act or process of machining, of manufacturing or finishing by machine.

adj. Of or pertaining to the machinery of a poem; acting or used as a machine.

"The machining is so rough that mine catches just short of "off" and it has cost me more than one duck or at least a chance a a duck."

machine   

careening    cleaning    convening    demeaning    greening    intervening    leaning    meaning    preening    screening