copper
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The selloff in copper and precious-metals futures dragged down shares in Arizona mining firms, the world’s largest gold producer and a silver company with assets stretching from Alaska to Quebec.
Catalysts with higher copper levels performed worse, mainly because copper tends to lose its active chemical state during the reaction.
From Science Daily
The city’s parking enforcement and transportation officers were removed from the field over the weekend after copper wire thieves damaged a key communications tower in Elysian Park, leaving several departments with inoperable radios.
From Los Angeles Times
Critical mineral byproducts are elements that occur naturally alongside metals like copper, gold, zinc, or nickel.
From Science Daily
Silver often comes out of the ground these days as a byproduct of mining for other metals, such as copper, gold and zinc.
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.
