Definition of "irradiance" [ir•ra•di•ance]

• The radiant power received by unit area of surface (noun)
• The act of irradiating; emission of rays of light. (noun)
• That which irradiates or is irradiated; lustre; splendour; brilliancy. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "In that case, the negative forcing, relative to the mean solar irradiance is equivalent to seven years of CO2 increase at current growth rates. ”"
• "In that case, the negative forcing, relative to the mean solar irradiance is equivalent to seven years of CO2 increase at current growth rates."
• "The effects of clouds were smaller, accounting for a maximum of 40% and an average of 12% of the short-term irradiance variability."