biochemical

of, or relating to biochemistrynot-comparable

characterized by, produced by, or involving chemical processes in living organismsnot-comparable

• In view of this biochemical diversity, the possibilities of interspecies hybridization in this genus are very interesting and worthy of attention.

A chemical substance derived from a biological source.

• Dr. Gwaltney sent nasal secretions from 40 volunteers with colds to Dr. Proud and Dr. Naclerio, who tested the secretions for the presence of these biochemicals.