libraとは 意味・読み方・使い方

語源

From Latin lībra (“pound”), partially via Italian, Spanish, and Portuguese libra. Doublet of arratel, libbra, Libra, lira, litra, litre, livre, and rottol.

発音

• IPA: /ˈliːbrə/, /ˈlaɪbrə/

名詞

libra (plural libras or (Roman contexts) librae)

1. (historical) A Roman unit of mass, usually equivalent to 327 g.
2. (historical) A traditional Spanish unit of mass, usually around 460 g.
3. (historical) A traditional Portuguese unit of mass, usually equivalent to 345 g and particularly used for trade in medicines.
4. (historical) Synonym of arratel, a separate Portuguese unit of mass, usually around 460 g.
5. (historical) Alternative spelling of libbra, a traditional Italian unit of mass.
6. (historical) Synonym of pound, a notional pound of silver as a money of account, especially in medieval contexts.

同意語

• (Roman unit of mass): Roman pound, pound (Roman contexts)
• (Spanish unit of mass): Spanish pound, pound (Spanish contexts)
• (Portuguese unit of mass): Portuguese pound, pound (Portuguese contexts, but more often used for the arratel)

等位語

• (Roman unit of mass): uncia (⁄₁₂ libra)
• (Spanish unit of mass): onza (⁄₁₆ libra), cuarteron (⁄₄ libra), marco (⁄₁ libra), arroba (25 libras), quintal (100 libras), tonelada (2,000 libras)
• (Portuguese unit of mass): oitava (usually ⁄₇₂ libra), onça (usually ⁄₁₂ libra), quarta (usually ⁄₃ libra), marco (usually ⁄₃ libra), arratel (usually 1+⁄₃ libras)

参照

• Dictionary of Units of Measurement

アナグラム

• Arbil, Baril, Blair, Bliar, Rabil, brail

発音

• (Classical Latin) IPA: [ˈliː.bra]
• (modern Italianate Ecclesiastical) IPA: [ˈliː.bra]

名詞

lībra f (genitive lībrae); first declension

1. (historical) libra, Roman pound, a Roman unit of mass, equivalent to about 327 g
2. scales, a tool used to balance two weights to measure amounts
3. level, a tool used to check surfaces for horizontal and vertical alignment
4. (Medieval Latin, New Latin) pound, any of various units of mass derived from or roughly equivalent to the Roman libra
5. (Medieval Latin, New Latin) pound, any of various currencies derived from the use of pound as a weight in silver

語形変化

First-declension noun.

同意語

• (Roman unit of mass): lb.
• (units of currency): £

等位語

• (Roman unit of mass): uncia (⁄₁₂ libra)
• (English unit of mass): uncia (⁄₁₆ libra)

関連する語

• lībrō
• lībrātiō
• sēlībra

派生した語

語源 2

発音

• (Classical Latin) IPA: [ˈliː.braː]
• (modern Italianate Ecclesiastical) IPA: [ˈliː.bra]

動詞

lībrā

1. second-person singular present active imperative of lībrō

参照

Further reading

• “libra”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “libra”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "libra", 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)
• “libra”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎, London: Macmillan and Co.
  • (ambiguous) to make extracts from Cicero's writings: aliquid, multa ex Ciceronis libris excerpere (not excerpere librum)
    
• “libra”, in Harry Thurston Peck, editor (1898), Harper’s Dictionary of Classical Antiquities, New York: Harper & Brothers
• libra in Ramminger, Johann (16 July 2016 (last accessed)), Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎, pre-publication website, 2005-2016
• “libra”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin