Disputatio:Celeritas lucis

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E Vicipaedia

Lumen est res lucens sicut sol aut dies aut fenestra aut lampas. Sed ex photonis exstat lux. Inde redigendum esse verbum lucis pro lumine existimo. W. B. a. d. 5 Kal. Oct. MMV

I also prefer "celeritas lucis" over "celeritas luminis". W.B. explains it well. -Kedemus XXIX Martii MMVIII 01:03 VTC
Ex Cassell's Latin Dectionary: lumen solis Cic., lumen candelae Juv.; lux solis Cic., lux lunae Verg., lux lychnorum Cic. IacobusAmor 02:32, 29 Martii 2008 (UTC)[reply]