This is the 3135th most frequent German word.
dichte
Density.
Here, 'dichte' is used as an adjective describing the noun 'Wolkendecke' (cloud cover), indicating its thick or compact nature.
Die dichte Wolkendecke verhinderte einen klaren Blick auf den Himmel.
The dense cloud cover prevented a clear view of the sky.
In this sentence, 'Dichte' is a noun referring to the physical property of density, representing the ratio of mass to volume.
Während des Experiments mussten wir die Dichte der Flüssigkeit messen.
During the experiment, we had to measure the density of the liquid.
Here, 'dichte' acts as an adjective, metaphorically describing the qualities of the 'Atmosphäre' (atmosphere) to imply richness or intensity.