November 19, 2017
luminous (adjective)
\LOO-muh-nus\ Hear it!
What does it mean?
1 : giving off light : shining2 : being lighted
How do you use it?
My mom might have hit a cat that ran out in front of her car last night, but she was able to stop in time when she spotted its luminous eyes in her headlights.
Are you a word wiz?

"Luminous" has another meaning, too. Which one of the following definitions do you think is the other meaning of "luminous"?

A Latin lesson will shed light on how answer D relates to the "shining" sense of "luminous." "Luminous" comes from "lumen," the Latin word for "light." If you think about how much easier it is to see something when it is well lit, you can see how "luminous" came to mean "easily seen." From there it is not hard to see how people would eventually describe something as "luminous" when it could be seen or heard or understood easily.
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