Electrumとは 意味・読み方・使い方

語源

From Latin ēlectrum, from Ancient Greek ἤλεκτρον (ḗlektron).

発音

• IPA: /ɪˈlɛktɹəm/

名詞

electrum (countable and uncountable, plural electrums)

1. (obsolete) Amber.
2. An alloy of gold and silver, used by the ancients; now specifically a natural alloy with between 20 and 50 per cent silver.

   Synonym: green gold

   • 1995, Paul T. Craddock, Early Metal Mining and Production, page 111:

     Native gold almost always contains silver in amounts varying widely between 5 and 50 per cent. This natural alloy is known as electrum although in classical antiquity where the word originated it seems to have been used for an artificial alloy of the two metals.

   • 2002, Philip Ball, The Elements: A Very Short Introduction, Oxford, published 2004, page 45:

     A natural alloy containing more than 20 per cent silver is called electrum, and was regarded by the ancients as a different metal from gold.

3. German silver plate.

Further reading

• David Barthelmy (1997–2026), “Electrum”, in Webmineral Mineralogy Database.
• “electrum”, in Mindat.org, Keswick, Va.: Hudson Institute of Mineralogy, 2000–2026.

発音

• (Classical Latin) IPA: [eːˈɫɛk.trũː]
• (modern Italianate Ecclesiastical) IPA: [eˈlɛk.trum]

名詞

ēlectrum n (genitive ēlectrī); second declension

1. amber
2. electrum (alloy of gold and silver)
3. (New Latin, physics) electron

語形変化

Second-declension noun (neuter).

派生語

派生した語

• → English: electrum
• → French: électrum
  • → Romanian: electrum
• → Italian: elettro (semi-learned)
• → Old French: eleutre

Further reading

• “electrum”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “electrum”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "electrum", in Charles du Fresne du Cange, Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “electrum”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• “electrum”, in The Perseus Project (1999), Perseus Encyclopedia‎
• “electrum”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• “electrum”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin