noun🔗ShareAsthénosphèreThe zone of the Earth's upper mantle, below the lithosphere."The Earth's lithosphere, which includes the crust and upper mantle, floats on the softer, more pliable asthenosphere. "La lithosphère terrestre, qui comprend la croûte et le manteau supérieur, flotte sur l'asthénosphère, plus molle et plus souple.geologygeographyscienceChat with AIVocabulary GamePractice Reading
