quadrium
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quadrium¹
noun
-
Synonym of quadrivium.
Church music was carefully taught at the universities. IT was of the four sciences of the quadrium, and was a means of promotion in the church and colleges.
Similar: quadrivium
quadrium²
Where it comes from
From quadr- + -ium.
noun
-
A highly unstable synthetic isotope of the element hydrogen, 41H, having one proton and three neutrons.
The decimal character of 4.1 is a reminder that this is not a conventional H isotope such as quadrium, ⁴H, or other isotopes up to ⁷H, with lifetimes, when known in the 0.1 to 1 zs range.
Similar: mul:H-4, mul:⁴H, hydrogen-4, hydrogen 4
- A quadrium atom or nucleus. The almost stationary ultra-cold neutron(s) occupies a position in the metal lattice where another dissolved hydrogen is most likely to tunnel in less than a nanosecond, forming a deuteron / triton / quadrium by capturing the cold neutron and releasing binding energy.
Talk about this word "quadrium." Wiktionary, via Micwyn, micwyn.com/word/quadrium. Accessed 6 Nov. 2026. quadrium. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/quadrium "quadrium." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/quadrium.Cite this
@misc{quadrium_2026,
title = {quadrium},
howpublished = {Wiktionary, via Micwyn},
year = {2026},
url = {https://micwyn.com/word/quadrium},
urldate = {2026-11-06}
}
