In the context of the Latin root "lus-" meaning "light" or "shining," let's match the words with their definitions:
1. translucent - b. allowing some light through
2. lucid - d. mentally clear
3. luminous - e. giving off or reflecting light
4. luster - a. a soft glow of reflected light
5. illuminating - c. shining light on something
By understanding the meanings of these words in relation to the concept of light or shining, you can easily match them with their definitions. For example, "luminous" describes something that emits light, while "translucent" refers to allowing light to pass through partially. This exercise helps reinforce your understanding of how words with the same root convey related meanings.