降尘

Traditional form:

降塵

Pinyin (reading):

jiàngchén

Definitions:

• dust fall
• fallout (volcanic, nuclear etc)
• particulate matter

Characters:

• 降 - to descend, to fall; to drop, to lower
• 尘 - cinders, ashes, dust, dirt

Traditional characters:

• 降 - to descend, to fall; to drop, to lower
• 塵 - cinders, ashes, dust, dirt