(definition) by Webster 1913 Wed Dec 22 1999 at 0:32:41

Ir*ra"di*ance (?), Ir*ra"di*an*cy (?), n. [From Irradiant.]

1.

The act of irradiating; emission of rays of light.

2.

That which irradiates or is irradiated; luster; splendor; irradiation; brilliancy.

Milton.

 

© Webster 1913.

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