Last Updated
：2025/12/07
トリアス紀
Hiragana
とりあすき
Kanji
三畳紀
Proper noun
Japanese Meaning
地質時代区分の一つで、中生代の最初の紀。約2億5千万年前から約2億年前までの期間を指す。英語の Triassic に相当する。
Easy Japanese Meaning
むかしのちきゅうのじだいのなまえで さんじょうきともよばれる とてもふるいじだい
Sense（1）
Synonym of 三畳紀 (Sanjōki, “Triassic”)
（ romanization ）
（ hiragana ）
Quizzes for review
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トリアス紀
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The Triassic period is a part of Earth's history, when dinosaurs first appeared.
The Triassic period is a part of Earth's history, when dinosaurs first appeared.
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トリアス紀は地球の歴史の一部で、恐竜が初めて出現した時期です。
Japanese - English
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