Slowly falling precipitation in the form of tiny water droplets with diameters less than 0.02 inches or 0.5 millimeters. It falls from stratus clouds and is often associated with low visibility and fog. It is reported as "DZ" in an observation and on the METAR.
DRIZZLE
Meaning of DRIZZLE in English
Weather and meteorology English vocabulary. Английский словарь погоды и метеорологии . 2012