はっせい
Meanings
Adjective (の)
Noun
Verb (する)
1. outbreak; spring forth; occurrence; incidence
2. generation (e.g. of power or heat); genesis; origin
3. ontogeny; development of complex multicellular structures from cell(s) in a simple state
Pitch accent
っせい
Used in vocabulary (29 in total)
source; origin
spontaneous generation; abiogenesis; natural occurrence; spontaneous occurrence
explosive increase (in number of pests); (severe) outbreak or upsurge of pests
Examples (25 in total)
An epidemic has broken out.
An epidemic disease broke out.
AIDS has broken out.