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 team designed flexible zinc-manganese dioxide (Zn-MnO₂) batteries encapsulated in soft silicone and vertically stacked inside a robot inspired by the manta ray.
—
Neetika Walter,
Interesting Engineering,
26 Nov. 2025
The most important of these minerals is the manganese dioxide pyrolusite.
—
David Bressan,
Forbes,
31 Dec. 2024
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
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
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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Neetika Walter,
Interesting Engineering,
26 Nov. 2025
The most important of these minerals is the manganese dioxide pyrolusite.
—
David Bressan,
Forbes,
31 Dec. 2024
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
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
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 30 Jun. 2026.
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