一
いちぞういちげん
一増一減
表記・読み：いちぞういちげん
- 1
16,800,000-year period over which a human lifespan increases from ten years to 84,000 years (by one year per century) and then decreases back to ten (by one year per century)
← 別の語を引くJMdict 2610920
いちぞういちげん
表記・読み：いちぞういちげん
16,800,000-year period over which a human lifespan increases from ten years to 84,000 years (by one year per century) and then decreases back to ten (by one year per century)