yellow rain

2 ENTRIES FOUND:

yellow rain

noun

Definition of YELLOW RAIN

:  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

First Known Use of YELLOW RAIN

1979

yellow rain

noun \-ˈrān\   (Medical Dictionary)

Medical Definition of YELLOW RAIN

: 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 the pollen-laden feces of bees

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