Related topics: Optics
re‧flec‧tion S3 W3
an image that you can see in a mirror, glass, or water:
Can you see your reflection in the glass?
2 [uncountable and countable]
careful thought, or an idea or opinion based on this:
A moment's reflection will show the stupidity of this argument.
At first I disagreed, but on reflection (=after thinking carefully about it), I realized she was right.
something that shows what something else is like, or that is a sign of a particular situation
His speech was an accurate reflection of the public mood.
be a reflection on somebody/something (=show how good or bad someone or something is)
On some level, a student's grades are a reflection on the teacher.
the action or process of light, heat, or sound being thrown back from a surface