insolation
Defined in 2 dictionaries — U.S. Code, Black's (1910)
United States Code
42 U.S.C. § 5552 — for the purposes of this subchapter
the term “insolation” means the rate at which solar energy is received at the surface of the Earth;
Black's Law Dictionary
Henry Campbell Black, M.A. · 1910
In medical jurisprudence. Sunstroke or heat-stroke: heat prostration