protium

American  

[proh-tee-uhm, -shee-uhm] / ˈproʊ ti əm, -ʃi əm /

noun

Chemistry.

1. the lightest and most common isotope of hydrogen. 1 H

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protium British  

/ ˈprəʊtɪəm /

noun

1. the most common isotope of hydrogen, having a mass number of 1

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protium Scientific  

/ prō′tē-əm,-shē-əm /

1. The most abundant isotope of hydrogen, having an atomic mass of 1. Its nucleus consists of a single proton.

2. See more at hydrogen

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Etymology

Origin of protium

First recorded in 1930–35; prot- + -ium

Example Sentences

This projection means even tree species that are now very common in the southeast—such as Protium altissimum, which produces a valuable aromatic resin and fruits that are relished by monkeys—may be in danger.

From Scientific American

Victor helped the team explore new ways to generate hydrogen for clean energy use – and technology he helped design is now being brought to market by Protium Innovations, a WSU startup company.

From Seattle Times

For instance, dozens of WSU students across multiple disciplines rolled up their sleeves to help launch Protium Innovations.

From Seattle Times

The hydrogen we know and love, also called protium, is simply one proton encircled with one electron.

From Scientific American

This was the bank that had concocted a wheeze to take its most troublesome loans off its balance sheet and spin them into Protium, a Caymans-based venture that is now being closed down.

From The Guardian