Full record for light-second n.

Definition	the distance light travels in one second
OED requirements	antedating 1915
Earliest cite	W.T. Bovie, "The Action of Light on Protoplasm"
Comment	Adam Buchbinder submitted a 1922 cite from "On the Significance of Recent Astronomical Discovery" by Harlow Shapley Adam Buchbinder submitted a 1920 cite from "A More Nearly Rational System of Units" by Eliot Q. Adams Adam Buchbinder submitted a 1915 cite from "The Action of Light on Protoplasm" by W.T. Bovie Earliest cite in the OED database: 1923
Last modified	20 May, 2009

Citations for light-second n.

click here for more information about the citation list

1996 D. Weber Honor Among Enemies (1997) 488	Another light-second and a half, and she could bring the Manty under fire with her energy weapons.
1999 V. Vinge Deepness In Sky xxii. 258	We have hundreds of millions of people living within a few light-seconds of each other.