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Radiant

radiant

1. Emitting or proceeding as from a center; rays; radiating; radiate.

2. Especially, emitting or darting rays of light or heat; issuing in beams or rays; beaming with brightness; emitting a vivid light or splendor; as, the radiant sun. Mark what radiant state she spreads. (milton)

3. Beaming with vivacity and happiness; as, a radiant face.

4. Giving off rays; said of a bearing; as, the sun radiant; a crown radiant.

5. (Science: botany) Having a raylike appearance, as the large marginal flowers of certain umbelliferous plants; said also of the cluster which has such marginal flowers.

(Science: physics) Radiant energy See Radiant.

Origin: L. Radians, -antis, p. Pr. Of radiare to emit rays or beams, fr. Radius ray: cf. F. Radiant. See Radius, Ray a divergent line.

1. (Science: optics) The luminous point or object from which light emanates; also, a body radiating light brightly.

2. (Science: geometry) A straight line proceeding from a given point, or fixed pole, about which it is conceived to revolve.

3. (Science: astronomy) The point in the heavens at which the apparent paths of shooting stars meet, when traced backward, or whence they appear to radiate.


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What is the primary energy source for cells?

... is defined. I agree. Recall our energy and food relationships and the fact that plants being the major producers and their ability to absorb the radiant energy from the sun. As plants are eaten by the consumers (primary consumers or herbivores definitely), this energy undergo transformation becoming ...

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by mcar
Tue Feb 17, 2009 5:35 am
 
Forum: General Discussion
Topic: What is the primary energy source for cells?
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The Fiber Disease

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by mfromcanada
Sun Nov 26, 2006 3:42 am
 
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by London
Wed Oct 25, 2006 1:35 am
 
Forum: Human Biology
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