Speakur

Word Pronunciation & Dictionary

k-t boundary

Word Rarity Uncommon

Frequency: Zipf frequency 4.05 in modern English

Syllables
k-t bound-ary
IPA
20
Scrabble Score
10
Letters
3
Syllables
10
Unique Chars

Meaning

noun

The geological signature of the transition between the Cretaceous period and the Tertiary period 65.5 million years ago.

noun

The geological signature of the transition between the Cretaceous period and the Tertiary period 65.5 million years ago. This transition is marked worldwide by a layer of material that contains a high level of iridium.

Subject

Wiktionary places this term in Geology.

Inflected Forms

K/T boundary (alternative) KT boundary (alternative)

Phrases

K-T extinction event

Frequently Paired Words

K-T extinction event

Questions

What does k-t boundary mean?
The geological signature of the transition between the Cretaceous period and the Tertiary period 65.5 million years ago.

How to pronounce k-t boundary

  1. Open the pronunciation page — Open the Speakur entry for “k-t boundary”.
  2. Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “k-t boundary”.
  4. Repeat and practice — Say “k-t boundary” aloud, matching stress and vowels until it feels natural.