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Ｋ-Ｔ境界 (ケーティーきょうかい) Japanese meaning | Kotomora

Ｋ-Ｔ境界けーてぃーきょうかい

Meanings

1

noun

K-T boundary

geology

Geological term for the boundary between the Cretaceous and Tertiary periods, often associated with the mass extinction event.

Ｋ-Ｔ境きょう界かいにはイリジウムが多おおく含ふくまれている。
The K-T boundary contains a high concentration of iridium.

Written forms

Ｋ-Ｔ境界けーてぃーきょうかい
Standard spelling with hyphen and Latin letters.
ＫＴ境界けーてぃーきょうかい
Variant without hyphen.

Kanji

境boundary, border, region
界world, boundary

Etymology

From English 'K-T boundary', where K stands for Cretaceous (from German 'Kreide') and T for Tertiary.