lumen second

SI derived unit of luminous energy
Intangible coherent_si_unit Q910311
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lumen second

Summary

lumen second is a coherent SI unit[1]. It has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • lumen second's instance of is recorded as coherent SI unit[3].
  • lumen second's instance of is recorded as unit of luminous energy[4].
  • lumen second's measured physical quantity is recorded as luminous energy[5].
  • William Henry Fox Talbot is named after lumen second[6].
  • lumen second's different from is recorded as talbot[7].
  • lumen second's conversion to SI unit is recorded as {'unit': 'Q910311', 'amount': '+1'}[8].
  • lumen second's unit symbol is recorded as {'lang': 'en', 'text': 'lm s'}[9].
  • lumen second's unit symbol is recorded as {'lang': 'ru', 'text': 'лм·с'}[10].

Body

Definition and Type

Recorded instance of include coherent SI unit[3] and unit of luminous energy[4].

Origins

William Henry Fox Talbot is named after lumen second[6].

Why It Matters

lumen second has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.[2] It is known by 9 alternative names across languages and contexts.[11]

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). lumen second. Retrieved May 3, 2026, from https://4ort.xyz/entity/lumen-second
MLA “lumen second.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lumen-second.
BibTeX @misc{4ortxyz_lumen-second_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{lumen second}}, year = {2026}, url = {https://4ort.xyz/entity/lumen-second}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): lumen second — https://4ort.xyz/entity/lumen-second (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/lumen-second · Last refreshed:

Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 18d ago · Humoyun Qodirov · 2026-06-23 view diff on Wikidata ↗
    Instance of
    Conversion to si unit {'unit': 'Q910311', 'amount': '+1'}
    Aliases
    Named after William Henry Fox Talbot
    + 4 other properties edited (see Wikidata diff for full list)
    "/* wbmergeitems-from:0||Q12826347 */"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.