- (n.) Act of irradiating or state of being irradiated.
- (n.) Fig.: Mental light or illumination.
- (n.) Illumination; irradiance; brilliancy.
- (n.) The apparent enlargement of a bright object seen upon a dark ground, due to the fact that the portions of the retina around the image are stimulated by the intense light; as when a dark spot on a white ground appears smaller or a white spot on a dark ground larger, than it really is, especially when a little out of focus.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). irradiation. Retrieved September 25, 2026, from http://smartdefine.org/irradiation/definitions/2023702 |
| Chicago | Webster's. 2011. "irradiation" http://smartdefine.org/irradiation/definitions/2023702 (accessed September 25, 2026). |
| Harvard | Webster's 2011, irradiation, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/irradiation/definitions/2023702>. |
| MLA | Webster's. "irradiation" 27 May 2011. Web. 25 September 2026. <http://smartdefine.org/irradiation/definitions/2023702> |