Definition of mummy disease in English:

mummy disease

noun

  • Originally: a fungal disease causing the mummification of the fruit of the guava. Now: a disease of cultivated mushrooms characterized by stunting, distortion, and eventual mummification of the fruiting bodies, probably caused by a species of pseudomonas bacterium.

Origin

Early 20th century; earliest use found in Science. From mummy + disease.

Pronunciation

mummy disease

/ˈmʌmi dɪˌziːz/