immersed

immersed (comparative more immersed, superlative most immersed)

1. Under the surface of a liquid; sunk.
2. Deeply involved.
   • 1964 July, “New Books”, in Modern Railways, page 74:

     ON THE NARROW GAUGE. By P. B. Whitehouse. Nelson 30s. [...] In an introductory note Mr. Whitehouse disarms any criticism from narrow-gauge aficionados as immersed in the subject as himself by pointing out that his book has no pretensions to the status of a new narrow-gauge textbook; [...].

3. (botany) Lowered or sunken relative to a reference surface.
   • Sori in the axils of lamina branches, partly immersed; involucre bell- or trumpet-shaped, or obconical, usually 2-lipped; receptacle generally exserted.Crepidomanes, National Herbarium of NSW, Royal Botanic Garden, Sydney, Australia

immersed

1. simple past and past participle of immerse

• simmered