Noun
Synonym of quadrivium.
Usage- Uncountable
- Examples
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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.
More examples (2)
He describes how by the late fifteenth century the language arts of the trivium had come to seem useful only for communication, teaching and public debate, and how humanists turned to the mathematical arts of the quadrium - including music - to enable new means and methods of discovery.
The classical curriculum distinguishes between trivium and quadrium to classify knowledge fields in education. Trivium deals with the disciplines of language, grammar, rhetoric, dialectic and logic, while quadrium deals with the sciences of arithmetic, geometry and astronomy.
Noun
A highly unstable synthetic isotope of the element hydrogen, 41H, having one proton and three neutrons.
Usage- Rare
- Uncountable
- Synonyms
- Broader terms
- hydrogenmul:H
- Examples
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More examples (1)
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.
A quadrium atom or nucleus.
Usage- Rare
- Uncountable
- Examples
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More examples (1)
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.