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Subduction

//səbˈdʌkʃən// noun

Noun

1
The action of being pushed or drawn beneath another object. countable, uncountable
2
a geological process in which one edge of a crustal plate is forced sideways and downward into the mantle below another plate wordnet
3
The process of one tectonic plate moving beneath another and sinking into the mantle at a convergent plate boundary. countable, uncountable
"Therefore, both a mantle plume and also the subductions of the oceanic plates may have mutually contributed to create the magmatic zone."
4
The act of subducting or taking away. countable, uncountable
"threatened the subduction of his own presence"
5
Arithmetical subtraction. countable, uncountable
"the other Operation of Arithmetick , namely , Subduction"

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6
A surjection between diffeological spaces such that the target is identified as the pushforward of the source. countable, uncountable
"Accordingly, a diffeological principal S¹-bundle over a diffeological space X is a subduction π : P → X and a smooth map τ satisfying the same conditions; see [30] for a thorough discussion."

From Latin subductiō, from subdūcere (“to draw from under or below”). Equivalent to subduct + -ion or subduce + -tion.

Unscramble this word: subduction