manganese dioxide
noun
: a dark insoluble compound MnO2 used especially as an oxidizing agent, as a depolarizer of dry cells, and in making glass and ceramics
Examples of manganese dioxide in a Sentence
Recent Examples on the Web
The most important of these minerals is the manganese dioxide pyrolusite.
—
David Bressan, Forbes, 31 Dec. 2024
What’s more, the nanoscale particles could be made from readily available, inexpensive minerals, such as ferric oxide and gamma manganese dioxide for the anode and cathode materials, respectively.
—IEEE Spectrum, 24 Dec. 2023
My intention had been to use manganese dioxide, as the Pech Merle painter did, says Lorblanchet, referring to one of the minerals ground up for paint by the early artists.
—Roger Lewin, Discover Magazine, 11 Nov. 2019
The negative terminal, or cathode, is formed by a thin layer of conductive manganese dioxide coating the pellet.
—Eric Schlaepfer, IEEE Spectrum, 14 Jan. 2023
When attached at either end to a circuit such as a light bulb, the zinc inside reacts with the manganese dioxide and loses electrons.
—Manasee Wagh, Popular Mechanics, 13 May 2022
For example, an alkaline battery, or cell, contains zinc, manganese dioxide, and potassium hydroxide.
—Manasee Wagh, Popular Mechanics, 13 May 2022
In the future, the photographer plans to test out more exotic thermites like bismuth trioxide and manganese dioxide.
—Wired, 31 Oct. 2019
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David Bressan, Forbes, 31 Dec. 2024
What’s more, the nanoscale particles could be made from readily available, inexpensive minerals, such as ferric oxide and gamma manganese dioxide for the anode and cathode materials, respectively.
—IEEE Spectrum, 24 Dec. 2023
My intention had been to use manganese dioxide, as the Pech Merle painter did, says Lorblanchet, referring to one of the minerals ground up for paint by the early artists.
—Roger Lewin, Discover Magazine, 11 Nov. 2019
The negative terminal, or cathode, is formed by a thin layer of conductive manganese dioxide coating the pellet.
—Eric Schlaepfer, IEEE Spectrum, 14 Jan. 2023
When attached at either end to a circuit such as a light bulb, the zinc inside reacts with the manganese dioxide and loses electrons.
—Manasee Wagh, Popular Mechanics, 13 May 2022
For example, an alkaline battery, or cell, contains zinc, manganese dioxide, and potassium hydroxide.
—Manasee Wagh, Popular Mechanics, 13 May 2022
In the future, the photographer plans to test out more exotic thermites like bismuth trioxide and manganese dioxide.
—Wired, 31 Oct. 2019
Cite this Entry
“Manganese dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/manganese%20dioxide. Accessed 27 Feb. 2025.
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