The Collaborative International Dictionary of English v.0.48:

Radiate \Ra"di*ate\ (r[=a]"d[i^]*[=a]t), v. i. [imp. & p. p.
   Radiated (r[=a]"d[i^]*[=a]`t[e^]d); p. pr. & vb. n.
   Radiating.] [L. radiatus, p. p. of radiare to furnish with
   spokes or rays, to radiate, fr. radius ray. See Radius,
   Ray a divergent line.]
   1. To emit rays; to be radiant; to shine.
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            Virtues shine more clear
            In them [kings], and radiate like the sun at noon.
                                                  --Howell.
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   2. To proceed in direct lines from a point or surface; to
      issue in rays, as light or heat.
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            Light radiates from luminous bodies directly to our
            eyes.                                 --Locke.
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The Collaborative International Dictionary of English v.0.48:

Radiated \Ra"di*a`ted\ (r[=a]"d[i^]*[=a]`t[e^]d), a.
   1. Emitted, or sent forth, in rays or direct lines; as,
      radiated heat.
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   2. Formed of, or arranged like, rays or radii; having parts
      or markings diverging, like radii, from a common center or
      axis; as, a radiated structure; a radiated group of
      crystals.
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   3. (Zool.) Belonging to the Radiata.
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