GNU Collaborative International Dictionary of English

Found 4 definitions

1.       
   Radiate , v. i. [imp. & p. p. Radiated ; 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.]
   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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   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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2.       
   Radiate, v. t.
   To emit or send out in direct lines from a point or points; as, to radiate heat.
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   To enlighten; to illuminate; to shed light or brightness on; to irradiate. [R.]
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3.       
   Radiate , a. [L. radiatus, p. p.]
   Having rays or parts diverging from a center; radiated; as, a radiate crystal.
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   (Bot.) Having in a capitulum large ray florets which are unlike the disk florets, as in the aster, daisy, etc.
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   (Zool.) Belonging to the Radiata.
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4.       
   Radiate, n. (Zool.) One of the Radiata.
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