heavy hydrogen

noun

: deuterium

Examples of heavy hydrogen in a Sentence

Recent Examples on the Web

Any leaks could lead to a release of radioactive tritium, a heavy hydrogen isotope that is one of fusion’s fuels. —Bydaniel Clery, science.org, 3 July 2024

Most fusion projects are based on fusing two heavy hydrogen isotopes deuterium and tritium, while others are looking at what is known as aneutronic fusion using proton-boron or helium-3 fusion. —David Szondy, New Atlas, 8 July 2024

But as the temperature goes up, more heavy hydrogen evaporates, eventually precipitating out over Greenland. —Kathy A Svitil, Discover Magazine, 11 Nov. 2019

The subsequent radiation, pressure, and energy then fuses two types of heavy hydrogen, tritium and deuterium, to form helium. —Time, 24 July 2023

The real purpose of ITER—to run high-power fusion experiments using a mixture of the heavy hydrogen isotopes deuterium and tritium—won’t happen until more than a decade after the machine hits its first plasma milestone. —Charles Seife, Scientific American, 15 June 2023

In 1997, three scientists from the University of California, San Diego, used the ratio of heavy hydrogen nuclei—hydrogen with an extra neutron—to normal hydrogen to estimate that baryons should make up about 5 percent of the mass-energy budget of the universe. —Popular Science, 31 May 2020

Most models predicted a heavy hydrogen content, but the observations indicate none is there! —Andrew Moseman, Discover Magazine, 2 Dec. 2010

The target itself is a tiny hollow shell filled with the heavy hydrogen isotopes deuterium and tritium. —Discover Magazine, 29 June 2010

Word History

First Known Use

1933, in the meaning defined above

Rhymes for heavy hydrogen

• dihydrogen

Kids Definition

heavy hydrogen

noun

: deuterium

Medical Definition

heavy hydrogen

noun

: deuterium