cretaceous

• Qui se rapporte à la période du Crétacé, la troisième et dernière période de l'ère mésozoïque, marquée par la domination des dinosaures et l'apparition des plantes à fleurs.

Relating to the third and final period of the Mesozoic Era, known for the dominance of dinosaurs and the appearance of flowering plants.

1. Abounding in chalkC2formal

   Containing or rich in chalk, a soft white limestone.

   Crayeux, qui contient de la craie

   • The cliffs along the coast are cretaceous in nature.
   • The soil in this region is cretaceous, making it ideal for certain crops.
   • Geologists studied the cretaceous deposits in the area.

   Synonymescalcareouschalky

2. Geological periodC1formal

   Relating to the last period of the Mesozoic era, known for the dominance of dinosaurs and the appearance of flowering plants.

   Crétacé (période géologique)

   • The Cretaceous period ended with a mass extinction event.
   • Fossils from the Cretaceous era are found in many parts of the world.
   • The Cretaceous rocks contain evidence of ancient marine life.

• Nom propre désignant la période géologique spécifique, troisième et dernière période de l'ère mésozoïque, connue pour ses dépôts de craie et la domination des dinosaures.

A proper noun referring to a specific geological period, the third and final period of the Mesozoic Era, known for its chalk deposits and the dominance of dinosaurs.

indénombrable · nom propre

1. Geological periodC1formalscientific

   The third and final period of the Mesozoic Era, lasting from about 145 to 66 million years ago, known for the dominance of dinosaurs and the appearance of flowering plants.

   Crétacé

   • The Cretaceous ended with a mass extinction event.
   • Fossils from the Cretaceous are found in many parts of the world.
   • During the Cretaceous, the climate was generally warm.