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K-T boundary
noun
Examples of K-T boundary in a Sentence
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'K-T boundary.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
K (alternative for C as abbreviation for Cretaceous) + Tertiary
1983, in the meaning defined above
Dictionary Entries Near K-T boundary
Cite this Entry
“K-T boundary.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/K-T%20boundary. Accessed 24 Oct. 2024.
Kids Definition
K-T boundary
nounMore from Merriam-Webster on K-T boundary
Britannica.com: Encyclopedia article about K-T boundary
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