第四紀

第四纪
Dìsì Jì
  1. (geology) the Quaternary period (part of the Cenozoic era, spanning from 2.588 million years ago until the present)
  2. the Quaternary period (part of the Cenozoic era, spanning from 2.588 million years ago until the present)

Wiktionary

Homographs

第四紀 dìsìjì
  1. fourth period
  2. quaternary (geological period covering the recent ice ages over the last 180,000 years)

Entry Composition

1 第四 dì-sì
  1. fourth
  2. fourthly
=2 紀 Jǐ
  1. surname Ji
  2. also pr. Jì
=2 紀 jì
  1. order
  2. discipline
  3. age
  4. era
  5. period
  6. to chronicle