Absorption Meaning of absorption: The process of taking nutrients from the digestive system into the blood so they can be used in the body. Also See: Angioimmunoblastic T-cell Lymphoma Aggressive lymphoma Alimentary tract Adrenal gland Alveolar rhabdomyosarcoma Aromatherapist ABT-510 Acoustic neurofibromatosis Angiostatin Atrial fibrillation ALSO SEE: Antihistamine