Used especially in the pharmaceutical and defense fields to denote a biological product or agent; plural usually "biologicals".
Definitions
biologicaladjective
Relating to biology or living organisms.
The biological processes of the human body are complex and fascinating.
Genetically related; connected by direct genetic lineage.
She met her biological father for the first time last year.
biologicalnoun
A preparation derived from living organisms, such as a vaccine, serum, or other biological agent, especially when used for therapeutic or defensive purposes.
The company is developing a new biological to treat autoimmune disorders.
One's biological parent.
After years of searching, she finally met her biological.