Japanese edit

Kanji in this term
えん
Grade: 6
on’yomi
For pronunciation and definitions of まん延 – see the following entry.
蔓延まんえん
[noun] spread of a disease
[noun] rampancy of the growth of vines
[noun] rampancy of a bad custom
[verb] (for disease) to spread
[verb] (for vines) to grow rampant
[verb] (a bad custom) to be rampant
Alternative spelling
蔓衍
(This term, まん延, is an alternative spelling of the above term.)