The document defines several terms related to light and photosynthesis including phosphorescent, meaning giving off a glow after an energy source stops transmitting energy, photogenic meaning very suitable for being photographed, photon meaning a tiny particle or bundle of radiant energy, photosynthesis meaning the process by which plants use light to produce organic matter from carbon dioxide and water, elucidate meaning to clarify by explaining, lucent meaning giving off light, lucubration meaning hard and difficult study and the product of such study, and translucent meaning partly transparent and allowing light to pass through but diffusing it so objects beyond cannot be seen clearly.

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2. Phosphorescent Giving off a glow that continues after an energy source has stopped transmitting energy Giving off a glow over a period of time without producing noticeable heat

3. Photogenic Very suitable for being photographed

4. Photon A tiny particle or bundle of radiant energy

5. Photosynthesis The process by which green plants use light to produce organic matter from carbon dioxide and water

6. Elucidate To clarify by explaining; explain

7. Lucent Giving off light Easily seen through

8. Lucubration Hard and difficult study The product of such study

9. Translucent Partly transparent; allowing light to pass through but diffusing it so that objects beyond cannot be seen clearly