different between lumen vs lacuna

English

Etymology

Borrowed from Latin lumen (“light, an opening”). Use as a unit was first adopted by French physicist André Blondel in 1894.

Pronunciation

• (Received Pronunciation) IPA^(key): /?lu?m?n/
• (General American) enPR: lo?o?m?n, IPA^(key): /?lum?n/
• Rhymes: -u?m?n
• Hyphenation: lu?men

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.

Derived terms

• lumenal
• lumenless
• lumen second

Related terms

• candela
• luminal
• lux

Translations

Czech

Pronunciation

• IPA^(key): [?lum?n]
• Hyphenation: lu?men

Etymology 1

Borrowed from Latin lumen.

Noun

lumen m inan

1. lumen (unit of luminous flux)

Declension

Etymology 2

Noun

lumen m anim

1. capable talented person

Declension

Further reading

• lumen in P?íru?ní slovník jazyka ?eského, 1935–1957
• lumen in Slovník spisovného jazyka ?eského, 1960–1971, 1989

Finnish

Etymology 1

Borrowed from Latin lumen.

Pronunciation

• IPA^(key): /?lu(?)men/, [?lu(?)me?n]
• Rhymes: -umen
• Syllabification: lu?men

Noun

lumen

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

Declension

Alternative forms

• luumen

Etymology 2

Pronunciation

• IPA^(key): /?lumen/, [?lume?n]
• Rhymes: -umen
• Syllabification: lu?men

Noun

lumen

1. genitive singular of lumi

Anagrams

• lemun, melun

French

Etymology

Borrowed from Latin lumen.

Pronunciation

• IPA^(key): /ly.m?n/

Noun

lumen m (plural lumens)

1. (physics) lumen (SI unit of measurement)
2. (anatomy) lumen
3. (botany) lumen

Latin

Etymology

From Proto-Indo-European *léwksmn?, derived from the root *lewk- (“bright”).
Equivalent to l?x +? -men.

Pronunciation

• (Classical) IPA^(key): /?lu?.men/, [???u?m?n]
• (Ecclesiastical) IPA^(key): /?lu.men/, [?lu?m?n]

Noun

l?men n (genitive l?minis); third declension

1. light, source of 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
8. (figuratively) a luminary, star, light (a most distinguished person)

Declension

Third-declension noun (neuter, imparisyllabic non-i-stem).

Derived terms

Descendants

References

• 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)
• lumen in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?^[1], London: Macmillan and Co.

Polish

Etymology

Borrowed from Latin lumen.

Noun

lumen m inan

1. lumen (SI-unit)
2. (archaic) display, explanation

Declension

Romanian

Etymology

Borrowed from Latin lumen, French lumen. Doublet of the inherited lume.

Noun

lumen m (plural lumeni)

1. (physics) lumen (SI unit of measurement)

Noun

lumen n (plural lumene)

1. (anatomy) lumen

Spanish

Etymology

Borrowed from Latin lumen. Doublet of the inherited lumbre.

Noun

lumen m (plural lúmenes)

1. lumen

Swedish

Etymology

Borrowed from Latin lumen.

Noun

lumen

1. lumen (singular and plural)

Anagrams

• mulen, mulne

English

Etymology

Borrowed from Latin lac?na (“ditch, gap”), diminutive form of lacus (“lake”). Doublet of lagoon.

Pronunciation

• (UK) IPA^(key): /l??kju?.n?/
• (US) IPA^(key): /l??ku?.n?/, /l??kju?.n?/
• ,

Noun

lacuna (plural lacunae or lacunæ or lacunas)

1. A small opening; a small pit or depression.
2. A small blank space; a gap or vacancy; a hiatus.
3. An absent part, especially in a book or other piece of writing, often referring to an ancient manuscript or similar.

4. Any gap, break, hole, or lack in a set of things; something missing.
5. (microscopy) A space visible between cells, allowing free passage of light.
6. (translation studies) A language gap, which occurs when there is no direct translation in the target language for a lexical term found in the source language.

Synonyms

• hiatus
• gap
• (translation studies): anisomorphism

Derived terms

• lacunal
• lacunar
• lacunary
• lacunose

Translations

Anagrams

• canula

Italian

Etymology

Borrowed from Latin lac?na. Compare the inherited doublet laguna.

Pronunciation

• IPA^(key): /la?ku.na/
• Rhymes: -una

Noun

lacuna f (plural lacune)

1. gap
2. blank (space)
3. lapse (of memory)

Derived terms

• cunetta

Further reading

• lacuna in Treccani.it – Vocabolario Treccani on line, Istituto dell'Enciclopedia Italiana

Anagrams

• alcuna
• lucana

Latin

Etymology

From lacus (“lake, basin”).

This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term.

Pronunciation

• (Classical) IPA^(key): /la?ku?.na/, [??ä?ku?nä]
• (Ecclesiastical) IPA^(key): /la?ku.na/, [l??ku?n?]

Noun

lac?na f (genitive lac?nae); first declension

1. a hole, pit
2. an opening, cavity, hollow, cleft
3. a gap, void, defect

Declension

First-declension noun.

Derived terms

• lac?nar
• lac?n?rius
• lac?n?
• lac?n?sus

Descendants

References

• lacuna in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• lacuna in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• lacuna in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• lacuna in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
• lacuna in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• lacuna in Ramminger, Johann (accessed 16 July 2016) Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700?^[2], pre-publication website, 2005-2016

Portuguese

Etymology

Borrowed from Latin lac?na. Compare the inherited lagoa and laguna.

Noun

lacuna f (plural lacunas)

1. hiatus (gap in a series)

   Synonym: hiato

2. blank (space to be filled in)

Related terms

• lagoa

Romanian

Pronunciation

• IPA^(key): [la?kuna]

Noun

lacuna f

1. definite nominative/accusative singular of lacun?