unpolluted
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.
All of these, however unpolluted, contain their own microbial worlds.
From Salon
"We argue that at low metallicity -- galaxy environments that are relatively unpolluted -- there is a 10-million-year delay in the start of strong superwinds, which, in turn, results in higher star formation."
From Science Daily
But in between the galaxies at that time were large amounts of fresh, unpolluted gas, streaming down to the galaxies faster than the stars can keep up.
From Science Daily
Without them, we cannot ensure stable global food systems and economies, let alone provide clean air and unpolluted water for the eight billion people who inhabit this planet.
From Scientific American
The dump is a repository of both polluted and unpolluted sediment that has been dredged from a series of rivers and canals that connect Lake Michigan to the Mississippi River.
From Salon
From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.