亚洲网紅露点

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nonmetal

[ non-met-l ]

noun

Chemistry.
  1. an element not having the character of a metal, as carbon or nitrogen.
  2. an element incapable of forming simple positive ions in solution.


nonmetal

/ 苍蓲苍藞尘蓻迟蓹濒 /

noun

  1. any of a number of chemical elements that form negative ions, have acidic oxides, and are generally poor conductors of heat and electricity
鈥淐ollins English Dictionary 鈥 Complete & Unabridged鈥 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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亚洲网紅露点 History and Origins

Origin of nonmetal1

First recorded in 1865鈥70; non- + metal
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Example Sentences

Examples have not been reviewed.

Attendees are encouraged to bring empty, nonmetal water bottles that they can refill for free at water stations.

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An undetectable firearm is defined as one constructed entirely of nonmetal substances, or with major components removed, so it is invisible to walk-through metal detectors.

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It also criminalizes 鈥渃overt firearms鈥 designed to not resemble a firearm, as well as 鈥渦ndetectable鈥 firearms made of nonmetal substances so as not to set off metal detectors.

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The grants cover training and retraining of miners working at surface and underground coal and metal and nonmetal mines, including miners engaged in shell dredging or employed at surface stone, sand, and gravel mining operations.

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It covers miners working at surface and underground coal and metal and nonmetal mines, including those in shell dredging or employed at surface stone, sand and gravel mining operations.

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