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66 million to 2.6 million years ago
- Tertiary (/ ˈtɜːr.ʃə.ri, ˈtɜːr.ʃiˌɛr.i / TUR-shə-ree, TUR-shee-err-ee) is an obsolete term for the geologic period from 66 million to 2.6 million years ago.
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Tertiary (/ ˈ t ɜːr. ʃ ə. r i, ˈ t ɜː r. ʃ i ˌ ɛr. i / TUR-shə-ree, TUR-shee-err-ee) is an obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non- avian dinosaurs in the Cretaceous–Paleogene extinction event , at the start of the Cenozoic Era , and extended to ...
- Tertiary (Disambiguation)
The Tertiary is a geologic period.. Tertiary (from Latin,...
- Tertiary education
Tertiary education, also referred to as third-level,...
- Tertiary sector of the economy
The tertiary sector of the economy, generally known as the...
- Tertiary (Disambiguation)
Tertiary education, also referred to as third-level, third-stage or post-secondary education, is the educational level following the completion of secondary education. The World Bank, for example, defines tertiary education as including universities as well as trade schools and colleges.
Apr 19, 2024 · tertiary (not comparable) Of third rank or order; subsequent . ( chemistry) Possessing some quality in the third degree; especially having been subjected to the substitution of three atoms or radicals . a tertiary alcohol, amine, or salt.
The tertiary sector of the economy, generally known as the service sector, is the third of the three economic sectors in the three-sector model (also known as the economic cycle). The others are the primary sector ( raw materials) and the secondary sector ( manufacturing ).
Tertiary is an obsolete term for the geologic period from 66 million to 2.6 million years ago. The period began with the demise of the non-avian dinosaurs in the Cretaceous–Paleogene extinction event, at the start of the Cenozoic Era, and extended to the beginning of the Quaternary glaciation at the end of the Pliocene Epoch.
Definition of tertiary adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Tertiary. The Tertiary was an official geological period, but it is no longer used. It included the first part of the Cainozoic. This is now divided into the Palaeogene and the Neogene . The previous use of the term "Tertiary" explains why the last period of the Cainozoic is called the Quarternary. There was a big debate about that.
