Moist droplets (3)
I believe the answer is:
dew
'moist droplets' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for dew that I've seen before include "Night-time moisture" , "'The foggy, foggy - - ' (song)" , "Moisture condensed at night" , "Night-time condensation" , "Condensation at beginning or end of day" .)