Word.ws English Dictionary

quadrium

quadrium noun: synonym of quadrivium.

Noun (1)

quadrium (uncountable)

  1. 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.1861, William Howitt, John Cassell's illustrated history of England
    • 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.1997, Timothy J. Reiss, Knowledge, Discovery and Imagination in Early Modern Europe
    Synonyms:
    quadrivium

Noun (2)

quadrium (uncountable)

  1. (rare) 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.2011, “Kinetic Isotope Effects for the Reactions of Muonic Helium and Muonium with H₂”, in Science, volume 331, number 6016, page 448
  2. (rare) 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.2014, Robert Godes, “Controlled Electron Capture and the Path Toward Commercialization”, in J. Condensed Matter Nucl. Sci., volume 13

Synonyms of quadrium

Origin of quadrium

From quadr- + -ium.

Questions about quadrium

What does quadrium mean?
Quadrium means synonym of quadrivium.
What part of speech is quadrium?
Quadrium is a noun.

Words near quadrium in the dictionary

  1. quadrisyllable
  2. quadrisyllables
  3. quadriternate
  4. quadritubercular
  5. quadrituberculate
  6. quadrium
  7. quadriurate
  8. quadriurates
  9. quadrivalence
  10. quadrivalency
  11. quadrivalent

Source and license

Adapted from Wiktionary: quadrium (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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