1. Permitting sunshine, for example, to pass through but diffusing it so that people, objects, etc., on the opposite side are not clearly visible: The translucence of the frosted window glass in the door was not transparent.

The translucence of the frosted window in the front door prevented the woman from seeing who was ringing the doorbell.

2. Easily understandable; lucid: Marjory gave her friends an explanation of great translucence that was very easy to understand.
3. Clear; transparent: The biologists could see that the translucence of the seawater was decreased by the storm.
4. The action or fact of shining through, mentally or physically: Siebert had a moment of translucence when all the facts of the criminal case were provided and he knew he could solve the mystery.