ir*ra`di*a"tion(r*r`d*"shn), n. [Cf. F. irradiation.]
1. Act of irradiating, or state of being irradiated; as,
irradiation of foods with X-rays can preserve their freshness by killing the bacteria that cause spoilage .
[1913 Webster +PJC]
2. Illumination; irradiance; brilliancy.
Sir W. Scott.
3. Fig.: Mental light or illumination.
Sir M. Hale.
(Opt.) 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, esp. when a little out of focus.
New - Add Dictionary Search to Your Site
You can add a free dictionary search box to your own web site by copying and pasting the following HTML into one of your web pages:
<form action="http://www.freedict.co.uk/search.php" method="post"> <p style="text-align: center; font-family: sans-serif;"> <a style="font-weight: bold;" href="http://www.freedict.co.uk/" title="FreeDict free online dictionary">FreeDict</a> <input type="text" name="word" size="20" value="" /> <input type="submit" name="submit" value="Search Dictionary" /> </p> </form>
Fri 24th January 2020