English Etymology From an- + amniotic. Adjective anamniotic (not comparable) (anatomy) Lacking, or not developing, an amnion. References “anamniotic”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. Anagrams nomina actiWikiwand - on Seamless Wikipedia browsing. On steroids.