heavy oxygen
Americannoun
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.
He set out to measure the amount of “heavy” oxygen-18 and “light” oxygen-16 in the crystals.
From Science Magazine
These can arise on land when water interacts with rock to form clays; when the clays get melted down, zircons that form from the magma can inherit the heavy oxygen isotope signature.
From Science Magazine
In addition to being one of the oldest meteorites ever discovered, it is also the only meteorite that contains cosmic symplectite — or very heavy oxygen isotopes.
From Salon
Samples from a 3.24-billion-year-old chunk of oceanic crust left on Australia’s mainland were far richer in a heavy oxygen isotope than the present-day oceans.
From Science Magazine
Because water loses this heavy oxygen when rain reacts with the continental crust to form clays, its abundance in the ancient ocean suggests the continents had barely emerged by that point, Johnson and Wing concluded in a 2020 Nature Geoscience study.
From Science Magazine
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.