Definition of "metalloid" []

• A nonmetallic element, such as arsenic, that has some of the chemical properties of a metal. (noun)
• A nonmetallic element, such as carbon, that can form an alloy with metals. (noun)
• Relating to or having the properties of a metalloid. (adjective)
• Having the appearance of a metal. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Silicon is a chemical element with the metalloid, meaning that it has a silver shine to it, and that it is a moderate conductor, and shares some other properties of non-metals."
• "Purser Hardy Dickens heard only the incessant tapping of metalloid bodies against metalloid walls, a reminder of the endless droning of days of his last hundred or so years of life aboard the Interplanetary Love Ship."
• "As a metalloid, arsenic is a semiconductor, like silicon."