oxidize

“The presence of ferrihydrite tells us something specific about Mars' past environment,” Valentinas said, describing the cold and pH neutral waters that must have existed to oxidize the soil.

From Salon ● Mar. 1, 2025

These, Borduas-Dedekind explains, oxidize in the air, forming larger molecules that can easily absorb water and form clouds.

From National Geographic ● Feb. 16, 2024

Over time, the shiny brass exterior will oxidize, giving the pencil holder a vintage, worn-in feel.

From Los Angeles Times ● Nov. 1, 2023

These outer reactors would carry a second type of metal that can also easily oxidize.

From Science Daily ● Oct. 16, 2023

“It wouldn’t be stealing. She said her elixir has to oxidize for two weeks. We’d just borrow some of hers now and replace it with some of yours later.”

From "Moon Over Manifest" by Clare Vanderpool

When olive oil is exposed to fluctuations in temperature, light and air, which oxidizes the oil to its detriment, its quality diminishes.

From Salon ● Jan. 19, 2025

This suggested that microscopic plankton living on the surface of the seas produce sulfur in the form of a gas, dimethyl sulphide, that once in the atmosphere, oxidizes and forms small particles called aerosols.

From Science Daily ● Nov. 27, 2024

Food is an organic compound: it congeals, runs, discolors and oxidizes over time and because of the conditions in the kitchen you’re shooting in.

From Los Angeles Times ● Jun. 9, 2023

In the process, the iron oxidizes, grabbing oxygen atoms from water molecules and releasing hydrogen.

From Science Magazine ● Feb. 15, 2023

"Over time, it partly oxidizes, which keeps providing sites for nutrients to bind to."

From "1491" by Charles C. Mann

They don’t have coffee, but they do have Jeju Island–grown “Regenerative Organic-Certified” black tea oxidized as matcha.

From Slate ● May 8, 2026

“I was talking about stale, oxidized matcha powder, but I completely get that it came off a very wrong way. I chose the wrong words and I really apologize for that.”

From Salon ● May 17, 2025

The result: desktop-worthy close-ups of virus-sized crystals, more than a thousand times finer than a human hair, as they get oxidized and dissolve into the acidic liquid around them.

From Science Daily ● Apr. 11, 2024

"We always thought if the tantalum is oxidized, it becomes completely amorphous, with no crystalline order at all," said Liu.

From Science Daily ● Feb. 5, 2024

Scattered almost randomly around the top of the mounds are burned, oxidized chunks of rock—hearth stones—in drifts of fish bones and ash.

From "1491" by Charles C. Mann

And a 2016 US government study found perchlorate, an oxidizing agent used in fireworks, had made its way into groundwater and surface water around Mount Rushmore National Memorial, which holds annual July 4 shows.

From Barron's ● Jul. 2, 2026

As described in a paper just published in the journal Advanced Materials, a thin layer of magnesium keeps tantalum from oxidizing, improves its purity, and raises the temperature at which it operates as a superconductor.

From Science Daily ● Feb. 5, 2024

There, parked in a driveway at the rear of a home, is an odd-looking, flat-nosed, miniature-size pickup, rust holes here and there, its red paint oxidizing.

From Seattle Times ● Aug. 25, 2023

In her visually complex raku-fired pieces at Craft Contemporary, she embraces the oxidizing of glazes and leaves imprints of her hands in the clay, emphasizing the collaboration between herself and the material.

From Los Angeles Times ● Jul. 20, 2023

The transition to an oxidizing atmosphere posed a supreme crisis in the history of life, and a great many organisms, unable to cope with oxygen, perished.

From "Cosmos" by Carl Sagan