light day
English
Noun
light
day
(
plural
light days
)
(
astronomy
,
physics
)
A unit of
length
equal to the
distance
light
travels in one
day
; about 170
astronomical units
Related terms
light hour
light second
light year
Anagrams
daylight
This article is issued from
Wiktionary
. The text is licensed under
Creative Commons - Attribution - Sharealike
. Additional terms may apply for the media files.