lumen

English

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Noun

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.

Translations

SI-unit for luminous flux

• Chinese:

  Mandarin: simpl. 流明

• Finnish: luumen (fi)
• French: lumen (fr)
• Greek: κηρίο (el) (kirío) n
• Japanese: ルーメン (ja) (rūmen)

• Korean: 루멘 (ko) (rumen)
• Polish: lumen (pl) m
• Russian: люмен (ru) (ljúmen) m
• Swedish: lumen (sv)

anatomy: cavity within tubular organ

• Chinese:

  Mandarin: simpl. 内腔

• Finnish: lumen (fi), ontelo (fi)

botany: cavity bounded by cell wall

• Finnish: lumen (fi), ontelo (fi)

• Russian: полость (ru) (pólost') f

medicine: bore of a tube

• Finnish: lumen (fi)

Derived terms

• lumenal
• luminal

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Finnish

Etymology 1

Alternative forms

• luumen

Pronunciation

• IPA: [ˈluːme̞n]
• Rhymes: -uːmen
• Hyphenation: lu‧men

Noun

lumen

1. (physics, anatomy, botany, medicine) lumen

Declension

Declension of lumen (type paperi) singular plural nominative lumen lumenit genitive lumenin lumenien lumeneiden lumeneitten partitive lumenia lumeneita lumeneja accusative lumen lumenin lumenit 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

inflected form of lumi

Pronunciation

• IPA: [ˈlume̞n]
• Hyphenation: lu‧men

Noun

lumen

1. Genitive singular form of lumi.

Anagrams

• lemun, melun

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Latin

Pronunciation

• (Classical) IPA: /ˈluː.men/

Etymology

From Proto-Indo-European *lewk-s-men, from *lewk-. Cognate to Latin lūx.

Noun

lūmen (genitive lūminis); n, third declension

1. light
2. (poetic) the eyes
3. (poetic) daylight
4. (poetic) brightness
5. (poetic) the light of life

Inflection

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

Derived terms

• lūmināre
• lūminātor
• lūminātus

• lūminō
• lūminōsus

Descendants

• Aromanian: lume, lumi, lunjinã
• Catalan: llum
• French: lumière
• Galician: lume
• Italian: lume

• Occitan: lum
• Romanian: lume, lumină
• Russian: люмен
• Spanish: lumbre

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Polish

Noun

lumen m

1. lumen (SI-unit)

Declension

    declension of lumen

	singular	plural
nominative	lumen	lumeny
genitive	lumena	lumenów
dative	lumenowi	lumenom
accusative	lumen	lumeny
instrumental	lumenem	lumenami
locative	lumenie	lumenach
vocative	lumenie	lumeny

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Swedish

Noun

lumen

1. lumen (singular and plural)