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submersion

noun

  1. differentiable map whose differential is everywhere surjective
L328705 on Wikidata ↗

Wiktionary

noun

Etymology: Etymology tree Latin summersio, summersionembor. English submersion Borrowed from Latin summersio, summersionem.

  1. The act of submerging, or the state of being submerged; immersion
  2. A differentiable map whose differential is everywhere surjective.