第四紀
See also: 第四纪
Chinese edit
fourth; fourthly | period | ||
---|---|---|---|
trad. (第四紀) | 第四 | 紀 | |
simp. (第四纪) | 第四 | 纪 |
Pronunciation edit
Proper noun edit
第四紀
- (geology) the Quaternary period (part of the Cenozoic era, spanning from 2.588 million years ago until the present)
Synonyms edit
See also edit
Japanese edit
Kanji in this term | ||
---|---|---|
第 | 四 | 紀 |
だい Grade: 3 |
し Grade: 1 |
き Grade: 5 |
on’yomi |
Kanji in this term | ||
---|---|---|
第 | 四 | 紀 |
だい Grade: 3 |
よん Grade: 1 |
き Grade: 5 |
Etymology edit
第四 (daiyon, “fourth”) + 紀 (-ki, “period”)
Pronunciation edit
Proper noun edit
第四紀 or 第四紀 • (Daiyonki or Daishiki)
- the Quaternary period
See also edit
- 新生代 (Shinseidai)
- 新第三紀 (Shindaisanki)
- 第三紀 (Daisanki)