noun Date: 1979 a yellow substance that has occurred in southeastern Asia as a mist or as spots on rocks and vegetation and has been held to be a biological warfare agent used in the Vietnam War but appears upon scientific examination to be identical to pollen-laden bee feces
YELLOW RAIN
Meaning of YELLOW RAIN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012