stannous oxide

noun

Definition of stannous oxide

: the monoxide of tin SnO that is obtained as dark lustrous crystals usually blue-black but sometimes varying in shade (as from brown and red to dark green) and that forms stannic oxide when heated in air

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“Stannous oxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/stannous%20oxide. Accessed 3 Dec. 2020.

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