nickel-sesquioxide

nickel sesquioxide

noun Chemistry.
Dictionary.com Unabridged

nickelic oxide

noun Chemistry.
a gray-black, water-insoluble powder, Ni 2 O 3 , which, at 600°C, decomposes to nickel oxide: used chiefly in storage batteries as an oxidizing agent.
Also called black nickel oxide, nickel sesquioxide.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Nickel-sesquioxide is always a great word to know.
So is ort. Does it mean:
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a scrap or morsel of food left at a meal.
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