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

Bella moths are able to avoid the ill effects of pyrrolizidine alkaloids by using a special enzyme that oxidizes the molecule, rendering it harmless.

From Science Daily ● Apr. 22, 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

A green, fuzzy coating grows on it as its surface oxidizes.

From Science Magazine ● Apr. 20, 2023

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

From "1491" by Charles C. Mann

In the book, readers encounter an alien species with a shell made of oxidized minerals, mercury blood, two circulatory systems, steam-powered muscles, and a crystal brain.

From Science Daily ● Jun. 24, 2026

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

She also suggested the Republic of Tea’s Darjeeling Black Full Leaf Tea, which “is less oxidized than most black teas, so you're going to get more fruity flavors and more floral flavors,” Ziata explained.

From Salon ● Apr. 18, 2025

It had a forlorn baseball diamond and some oxidized playground equipment.

From "The Serpent King" by Jeff Zentner

At an Alaskan research station she inhales the scent of oxidizing permafrost: “Pleistocene-aged grass, mammoth bones, and thousands and thousands of years of microbial cells.”

From The Wall Street Journal ● Oct. 9, 2026

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

The presence of electric discharges shows that the atmosphere can reach charge levels high enough to speed up the creation of highly oxidizing compounds.

From Science Daily ● Dec. 29, 2025

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

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