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From Biology-Online Dictionary | Biology-Online Dictionary
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1. To emit rays; to be radiant; to shine. Virtues shine more clear In them [kings], and radiant like the sun at noon. (Howell)

2. To proceed in direct lines from a point or surface; to issue in rays, as light or heat. Light radiates from luminous bodies directly to our eyes. (locke)

Origin: L. Radiatus, p. P. Of radiare to furnish with spokes or rays, to radiate, fr. Radius. See Radius, Ray a divergent line.

1. To emit or send out in direct lines from a point or points; as, to radiate heat.

2. To enlighten; to illuminate; to shed light or brightness on; to irradiate.

1. Having rays or parts diverging from a center; radiated; as, a radiate crystal.

2. (Science: botany) Having in a capitulum large ray florets which are unlike the disk florets, as in the aster, daisy, etc.

3. (Science: zoology) Belonging to the radiata.

Origin: L. Radiatus, p. P.

(Science: zoology) One of the radiata.