第だい三さん紀き
Meanings
Noun
Geolegy
1. Tertiary period
Kanji used
ordinal number
three
era
Pitch accent
だ
いさんき
Composed of
period; Nihon Shoki (second oldest work of Japanese history, compiled in 720 CE); Nihongi; Kii (former province located in present-day Wakayama and southern Mie prefectures)
Used in vocabulary (1 in total)
tertiary layer; tertiary formation