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TOEFL IELTS BNC: 15625 COCA: 11338

kernel

noun

ker·​nel ˈkər-nᵊl How to pronounce kernel (audio)
1
: the inner softer part of a seed, fruit stone, or nut
… as brown in hue as hazelnuts, and sweeter than the kernels. William Shakespeare
2
: a whole seed of a cereal
a kernel of corn
3
: a central or essential part : germ
like many stereotypes … this one too contains some kernels of truth S. M. Lyman
4
chiefly dialectal : a fruit seed
5
mathematics : a subset of the elements of one set (such as a group) that a function (such as a homomorphism) maps onto an identity element of another set

Example Sentences

There's not a kernel of truth in what they say. the kernel of your argument seems to be the inevitability of human migration into space
Recent Examples on the Web During the copra business’s late 19th-century heyday, plantation owners used to sail into town with their coconut kernel haul, long before roads on the island were good enough to traverse. Tom Downey, WSJ, 15 Sep. 2022 Thankfully, the kernel exploit from that update doesn’t affect older iPhones. Jacob Siegal, BGR, 31 Aug. 2022 This allowed the ransomware infection to use kernel commands to shut down the antivirus detection processes. Michael Kan, PCMAG, 26 Aug. 2022 The first issue fixed in iOS 15.6.1 is a vulnerability in the iPhone Kernel tracked as CVE-2022-32894 that could allow an application to execute code with kernel privileges. Kate O'flaherty, Forbes, 17 Aug. 2022 How to Reheat Corn on the Cob in the Oven Curious how to reheat corn on the cob in a way that cooks each kernel the most evenly? Karla Walsh, Better Homes & Gardens, 10 Aug. 2022 If exploited, the vulnerability could allow an app to execute code with kernel privileges, according to Apple’s support page, giving it deep access to your device. Wired, 2 Aug. 2022 In an interview with Minnesota Public Radio, Barnhill shares that the book’s kernel came to her while listening to the Brett Kavanaugh Supreme Court confirmation hearings with her middle-school daughter. Erin Douglass, The Christian Science Monitor, 16 June 2022 This stuff is rich in shea butter and glycerin, two notably moisturizing components, as well as oat kernel extract, which helps your skin preserve its moisture barrier. Justin Fenner, Robb Report, 17 Feb. 2022 See More

Word History

Etymology

Middle English, from Old English cyrnel, diminutive of corn

First Known Use

before the 12th century, in the meaning defined at sense 4

Time Traveler
The first known use of kernel was before the 12th century

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