K-T boundary (between the Cretaceous period and the Tertiary period)
ＫＴ境界
ケイティーきょうかい
Noun
1.
K-T boundary (between the Cretaceous period and the Tertiary period)
geology
Kanji that make up this word
Track your mastery
Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.