'Submergence' definitions:

Definition of 'submergence'

From: WordNet
noun
Sinking until covered completely with water [syn: submergence, submerging, submersion, immersion]

Definition of 'Submergence'

From: GCIDE
  • Submergence \Sub*mer"gence\, n. [From L. submergens, p. pr.] The act of submerging, or the state of being submerged; submersion. [1913 Webster]