Dutch elm disease

noun
🔊/ˌdʌtʃ ˈelm dɪziːz/
🔊/ˌdʌtʃ ˈelm dɪziːz/
[uncountable]
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  1. a disease that kills elm trees荷兰榆病;榆枯萎病
    CultureDutch elm disease is caused by a fungus carried by a type of insect. It seriously affected elm trees in Britain in the 1970s and 1980s, killing about 20 million of them.