Definition

Definition

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Definition of TERTIARY

noun : TERTIARY

Source:WordNet 3.1

1. (
- Tertiary ,
- Tertiary_period
) from 63 million to 2 million years ago ;

Adjective : TERTIARY

Source:WordNet 3.1

1. (
- third ,
- 3rd ,
- tertiary
) coming next after the second and just before the fourth in position ;

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