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Borrowed from Latin immersus, from immergō, from in + mergō.



immerse (third-person singular simple present immerses, present participle immersing, simple past and past participle immersed)

  1. (transitive) To place within a fluid (generally a liquid, but also a gas).
    • 1883, The Electrical Journal, page 501:
      ... the two plates of platinum immersed in oxygen and hydrogen gases
    • 1841, William Rhind, A history of the vegetable kingdom, page 110:
      Even after the process of germination has taken place, if the young plant be immersed in an atmosphere of either of those gases [hydrogen and nitrogen], vegetation and life will immediately cease.
    • 1955, George Shortley, Dudley Williams, Elements of Physics for Students of Science and Engineering:
      The buoyant force of the atmospheric air on solids and liquids immersed in it is for most purposes negligible compared to the weight of solid or liquid, ...
    Archimedes determined the volume of objects by immersing them in water.
  2. (transitive) To involve or engage deeply.
    The sculptor immersed himself in anatomic studies.
  3. (transitive, mathematics) To map into an immersion.
    • 2002, Kari Jormakka, Flying Dutchmen: Motion in Architecture, page 40:
      Thus, in mathematical terms a Klein bottle cannot be "embedded" but only "immersed" in three dimensions as an embedding has no self-intersections but an immersion may have them.


Derived terms[edit]



immerse (comparative more immerse, superlative most immerse)

  1. (obsolete) Immersed; buried; sunk.
    • 1631, Francis [Bacon], “(please specify |century=I to X)”, in Sylua Syluarum: Or A Naturall Historie. In Ten Centuries. [], 3rd edition, London: [] William Rawley; [p]rinted by J[ohn] H[aviland] for William Lee [], →OCLC:
      After a long enquiry of things immerse in matter, I interpose some object which is immateriate, or less materiate; such as this of sounds.



immerse f pl

  1. feminine plural of immerso



  1. inflection of immergere:
    1. third-person singular past historic
    2. feminine plural past participle




  1. vocative masculine singular of immersus