subduction

باللغة العربية: انْدِسَاس، طَرْح

1. The action of being pushed or drawn beneath another object. (countable, uncountable)
2. The process of one tectonic plate moving beneath another and sinking into the mantle at a convergent plate boundary. (countable, uncountable)
3. The act of subducting or taking away. (countable, uncountable)
4. Arithmetical subtraction. (countable, uncountable)
5. A surjection between diffeological spaces such that the target is identified as the pushforward of the source. (countable, uncountable)

الجمع subductions