l]
| 1. | pertaining to biology. |
| 2. | of or pertaining to the products and operations of applied biology: a biological test. |
| 3. | Pharmacology. any substance, as a serum or vaccine, derived from animal products or other biological sources and used to treat or prevent disease. |
biological bi·o·log·i·cal (bī'ə-lŏj'ĭ-kəl)
adj.
Of, relating to, caused by, or affecting life or living organisms.
Having to do with biology.
Related by blood, as in a child's biological parents.