1.
natural phenomenon; natural occurrence
Used in scientific, educational, and general contexts.
Composed of 自然 (nature) + 現象 (phenomenon). A broad term covering any event or process that occurs in nature without human intervention, from weather patterns to geological activity to astronomical events.
Common collocations
- 自然現象を観察する: to observe natural phenomena
- 自然現象のメカニズム: mechanism of natural phenomena
- 不思議な自然現象: mysterious natural phenomenon