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Definition of "zinc" [zinc]

  • A bluish-white, lustrous metallic element that is brittle at room temperature but malleable with heating. It is used to form a wide variety of alloys including brass, bronze, various solders, and nickel silver, in galvanizing iron and other metals, for electric fuses, anodes, and meter cases, and in roofing, gutters, and various household objects. Atomic number 30; atomic weight 65.39; melting point 419.4°C; boiling point 907°C; specific gravity 7.133 (25°C); valence 2. See Table at element. (noun)
  • To coat or treat with zinc; galvanize. (verb-transitive)
  • A brittle bluish-white metallic element that becomes coated with a corrosion-resistant layer in moist air and occurs chiefly in sphalerite and smithsonite. It is a constituent of several alloys, esp brass and nickel-silver, and is used in die-casting, galvanizing metals, and in battery electrodes. Symbol: Zn; atomic no: 30; atomic wt: 65.39; valency: 2; relative density: 7.133; melting pt: 419.58°C; boiling pt: 907°C (noun)

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.

  • Corrugated galvanized iron (noun)

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Use "zinc" in a sentence
  • "Being covered in zinc is actually really glamorous."
  • "Foods high in zinc include oysters, pork, chicken, cashews, chickpeas and fortified breakfast cereals."
  • "The roof is clad in zinc and is cut and folded cleanly to focus views out to the harbor and diagonally to the trees, while at the same time providing a sense of enclosure and privacy."