lumen

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See also: lúmen

English[edit]

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Etymology[edit]

From French lumen, coined by French physicist André-Eugène Blondel from Latin lumen(light)

Pronunciation[edit]

Noun[edit]

lumen ‎(plural lumens or lumina)

  1. (physics) In the International System of Units, the derived unit of luminous flux; the light that is emitted in a solid angle of one steradian from a source of one candela. Symbol: lm.
  2. (anatomy) The cavity or channel within a tube or tubular organ.
  3. (botany) The cavity bounded by a plant cell wall.
  4. (medicine) The bore of a tube such as a hollow needle or catheter.

Derived terms[edit]

Related terms[edit]

Translations[edit]


Finnish[edit]

Etymology 1[edit]

Alternative forms[edit]

Pronunciation[edit]

Noun[edit]

lumen

  1. (physics, anatomy, botany, medicine) lumen
Declension[edit]
Inflection of lumen (Kotus type 6/paperi, no gradation)
nominative lumen lumenit
genitive lumenin lumenien
lumeneiden
lumeneitten
partitive lumenia lumeneita
lumeneja
illative lumeniin lumeneihin
singular plural
nominative lumen lumenit
accusative nom. lumen lumenit
gen. lumenin
genitive lumenin lumenien
lumeneiden
lumeneitten
partitive lumenia lumeneita
lumeneja
inessive lumenissa lumeneissa
elative lumenista lumeneista
illative lumeniin lumeneihin
adessive lumenilla lumeneilla
ablative lumenilta lumeneilta
allative lumenille lumeneille
essive lumenina lumeneina
translative lumeniksi lumeneiksi
instructive lumenein
abessive lumenitta lumeneitta
comitative lumeneineen

Etymology 2[edit]

Pronunciation[edit]

  • IPA(key): /ˈlumen/
  • Hyphenation: lu‧men

Noun[edit]

lumen

  1. Genitive singular form of lumi.

Anagrams[edit]


Latin[edit]

Etymology[edit]

From Proto-Indo-European *lewk-s-men.[1] Surface analysis: lū(x)(light) +‎ -men(noun-forming derivational suffix).

Pronunciation[edit]

Noun[edit]

lūmen n ‎(genitive lūminis); third declension

  1. light
  2. (poetic) the eyes
  3. (poetic) daylight
  4. (poetic) brightness
  5. (poetic) the light of life
  6. An opening through which light can penetrate such as an air-hole or a window.
  7. The opening or orifice in a water-pipe or funnel

Inflection[edit]

Third declension neuter.

Case Singular Plural
nominative lūmen lūmina
genitive lūminis lūminum
dative lūminī lūminibus
accusative lūmen lūmina
ablative lūmine lūminibus
vocative lūmen lūmina

Derived terms[edit]

Descendants[edit]

References[edit]

  • lumen in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
  • lumen in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
  • LUMEN in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
  • Félix Gaffiot (1934), Dictionnaire Illustré Latin-Français, Paris: Hachette, s.v.lumen”.
  • Meissner, Carl; Auden, Henry William (1894) Latin Phrase-Book[1], London: Macmillan and Co.
    • to lose one's sight: oculos, lumina amittere
    • to deprive a person of his eyes: luminibus orbare aliquem
    • to obscure the mental vision: mentis quasi luminibus officere (vid. sect. XIII. 6) or animo caliginem offundere
    • shining lights in the literary world: clarissima litterarum lumina
    • flowers of rhetoric; embellishments of style: lumina, flores dicendi (De Or. 3. 25. 96)
    • to obstruct a person's view, shut out his light by building: luminibus alicuius obstruere, officere
  1. ^ Jacqueline Picoche, Jean-Claude Rolland, Dictionnaire étymologique du français, Paris 2009, Dictionnaires Le Robert, ISBN 978-2-84902-424-9

Polish[edit]

Noun[edit]

lumen m inan

  1. lumen (SI-unit)

Declension[edit]


Swedish[edit]

Noun[edit]

lumen

  1. lumen (singular and plural)