define osmoconformer
Wiktionary (0.00 / 0 votes) Rate this definition: osmoconformer (Noun) any marine invertebrate that maintains its internal salinity such that it is always equal to the surrounding seawater Freebase (0.00 / 0 votes) Rate this definition: Osmoconformer. Osmoconformers are marine animals which, in contrast to osmoregulators, maintain the osmolarity of their body fluids such that it is always equal to the surrounding seawater. Osmoconformers decrease the net flux of water into or out of their bodies from diffusion.