The capacity of a material to decompose over time as a result of biological activity, especially to be broken down by microorganisms.
chondropterygian
chondropterygian
adj
Having a cartilaginous skeleton.
noun
(zoology) Any member of the obsolete taxon Chondropterygii, which included both the cartilaginous fish (Chondrichthyes) such as sharks, rays, skates and chimaeras, and the more primitive bony fishes such as sturgeons that have some bones made of cartilage.
