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: a metalloid chemical element that is found in nature only in combination and that is used especially in borosilicate glass and detergents see Chemical Elements Table
Example Sentences
Recent Examples on the Web Ritual's Essential for Women vitamin is 100% vegan and includes folate, omega-3's, B12, D3, iron, K2, boron and magnesium. 
Zee Krstic, Good Housekeeping, 30 Aug. 2022 According to the July study, cubic boron arsenide conducts heat ten times better than silicon. Nicholas Gordon, Fortune, 16 Aug. 2022 TAE Technologies wants to produce fusion energy using hydrogen and boron. Caroline Delbert, Popular Mechanics, 11 Aug. 2022 Some detergents contain boron, which is toxic to plants; bleach also makes soil less healthy. Los Angeles Times, 4 May 2022 Blue diamonds are among the rarest of all colored diamonds, with their hue typically the result of trace elements of boron within the diamond crystal lattice. Tori Latham, Robb Report, 28 Apr. 2022 Small amounts of lithium, for example, could be brought to market as a byproduct from existing boron mining, Moores said. NBC News, 3 Apr. 2022 This ash contains a dangerous mix of heavy metals and toxic chemicals such as arsenic, boron, lead and mercury. Sarah Bowman, The Indianapolis Star, 11 Mar. 2022 These stones get their blue hue from trace amounts of boron within the diamond crystal lattice. Jill Newman, Town & Country, 16 Feb. 2022 See More
Zee Krstic, Good Housekeeping, 30 Aug. 2022 According to the July study, cubic boron arsenide conducts heat ten times better than silicon. Nicholas Gordon, Fortune, 16 Aug. 2022 TAE Technologies wants to produce fusion energy using hydrogen and boron. Caroline Delbert, Popular Mechanics, 11 Aug. 2022 Some detergents contain boron, which is toxic to plants; bleach also makes soil less healthy. Los Angeles Times, 4 May 2022 Blue diamonds are among the rarest of all colored diamonds, with their hue typically the result of trace elements of boron within the diamond crystal lattice. Tori Latham, Robb Report, 28 Apr. 2022 Small amounts of lithium, for example, could be brought to market as a byproduct from existing boron mining, Moores said. NBC News, 3 Apr. 2022 This ash contains a dangerous mix of heavy metals and toxic chemicals such as arsenic, boron, lead and mercury. Sarah Bowman, The Indianapolis Star, 11 Mar. 2022 These stones get their blue hue from trace amounts of boron within the diamond crystal lattice. Jill Newman, Town & Country, 16 Feb. 2022 See More Word History
Etymology
borax + -on (as in carbon)
First Known Use
1812, in the meaning defined above
Time Traveler
The first known use of boron was in 1812 Phrases Containing boron
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