- relating to the science and application of biology: Ideal candidates will have appropriate training in both physical and biological chemistry.
- relating to or involving living matter: Liquid nitrogen is critical for preserving blood, tissue, and other biological specimens.
- relating to the living organisms of a region:We are hoping to manage the river valley so that we maintain and enhance the current level of biological diversity.
- related genetically, as a birth parent whose egg or sperm contributed to the DNA of a child: He met his biological father when he was 37.The Greenes have two biological sons and one adopted daughter.
- of or relating to biology
- (of a detergent) containing enzymes said to be capable of removing stains of organic origin from items to be washed
- a drug, such as a vaccine, that is derived from a living organism
