superheavy

adjective

su·per·heavy ˌsü-pər-ˈhe-vē

: extremely heavy

superheavy furniture

superheavy traffic

a superheavy discussion with his mother

especially, chemistry : relating to or being a chemical element with a greater atomic mass than that of uranium

The existence of superheavy elements, those with many more protons than uranium (proton number 92), was predicted more than 40 years ago. —

Georg Bollen

superheavy noun

plural superheavies

In February the world was treated to a transcontinental eureka moment: Scientists … announced they had discovered two new chemical elements. Called superheavies because of their large atomic mass, elements 113 and 115 lasted little more than a second. —

Elizabeth Svoboda

Examples of superheavy in a Sentence

Recent Examples on the Web

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Firing a calcium beam at different targets is how the superheavy elements 112 to 118 were first synthesized. —

Michael Irving, New Atlas, 25 July 2024 So far all the superheavy elements humans have managed to make decay almost instantaneously. —

Max Springer, Scientific American, 24 July 2024 Another way to understand superheavy elements is to look for them in space. —

Stephanie Pappas, Scientific American, 14 May 2024 Even outside superheavy territory, chemists debate the placement of certain elements in the periodic table. —

Stephanie Pappas, Scientific American, 14 May 2024 Imitating a black hole’s causal powers requires an actual superheavy object, not just computer code. —

Christof Koch, Scientific American, 8 Sep. 2023 The researchers’ mathematical analysis showed how any object with mass—and not just a superheavy one such as that of a black hole—affects the pairs of particles and antiparticles that emerge from the vacuum of space. —

Adam Mann, Scientific American, 22 June 2023 Patience is key in the superheavy world because the vast majority of collisions in the reactor produce unwanted nuclei, and a vanishing few, if any, are superheavy elements. —

Adam Hadhazy, Discover Magazine, 22 Jan. 2015 Much technical work remains, but the company appears to be well on its way to delivering a superheavy-lift rocket that is fully reusable, low-cost, and potentially capable of delivering as much as 100 tons to the surface of most bodies in the Solar System. —

Eric Berger, Ars Technica, 1 Dec. 2021