internalreflection

noun
UK /ɪnˈtɜː.nəl rɪˈflek.ʃən/
US /ɪnˈtɝː.nəl rɪˈflek.ʃən/

Thinking quietly about your own thoughts and feelings.

After the test, she sat alone in internal reflection about what she had learned.


OTHER MEANINGS

2. The bouncing back of light or sound inside a closed space.

The internal reflection of light inside the glass tube made it glow.

3. A thought or idea that comes back to your mind again and again.

His internal reflection on the happy memory kept him smiling all day.

4. In science, when a wave hits a boundary inside a material and turns back.

Fiber optic cables use internal reflection to carry signals over long distances.