1. Pertaining to biology or to life and living things
   - biologic 
2. Of parents and children; related by blood
   "biological child"

See also: begotten [archaic], biologically, biology, natural

Antonym: adoptive

Encyclopedia: Biological

• middle Atlantic
• middle buster
• middle C
• middle cerebral artery
• middle cerebral vein
• middle distance
• middle ear
• Middle East
• Middle Eastern
• Middle England
• Middle English
• middle finger
• Middle Greek
• middle ground
• Middle High German
• Middle Irish
• Middle Low German
• middle meningeal artery
• middle name
• middle of the roader
• Middle Paleolithic
• middle school
• middle temporal vein
• middle term
• middle thyroid vein