白堊紀

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See also: 白垩纪

Chinese

chalk period
trad. (白堊紀) 白堊
simp. (白垩纪) 白垩
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Etymology

Orthographic borrowing from Japanese 白堊紀.

Pronunciation


Proper noun

白堊紀

  1. (geology) the Cretaceous period (part of the Mesozoic era, spanning from 145.0 to 66.0 million years ago)

See also

Japanese

Kanji in this term
はく
Grade: 1

Hyōgai

Grade: 5
on'yomi

Etymology

白堊 (hakua, white chalk) +‎ (-ki, period).

For pronunciation and definitions of 白堊紀 – see the following entry.
白亜紀はくあき
the Cretaceous
(This term, 白堊紀, is an alternative spelling (dated) of the above term.)