2,3-DPG. An organic phosphate in red blood cells that alters the affinity of hemoglobin for oxygen. Blood cells stored in a blood bank lose 2,3-diphosphoglycerate, but once they are infused, the substance is resynthesized or reactivated.
Definition of soft fold. : the fold that results when paper is lapped.
In baking, to fold is the term used for gently combining a delicate mixture into a heavier textured, thicker mixture in a way that will ensure that both mixtures are properly combined without impeding the ability of both mixtures to work as desired.