This is the 15083rd most frequent German word.
spiegelglatte
"Spiegelglatte" means "mirror-smooth," often referring to extremely smooth surfaces, like ice or water.
The word 'spiegelglatte' is used to describe the condition of the surface of the road, implying its extreme smoothness and potential slipperiness due to water.
Die Straße war spiegelglatte nach dem Regen.
The road was mirror-smooth after the rain.
Here, 'spiegelglatte' emphasizes the visual smoothness and stillness of the lake's surface, giving a clear reflection like a mirror.
Der See war so ruhig, dass seine Oberfläche spiegelglatte erschien.
The lake was so calm that its surface appeared mirror-smooth.
In this context, 'spiegelglatte' is describing the high shine and polish of the table's surface, allowing it to reflect light clearly.