Look upbiological in Wiktionary, the free dictionary.

Biological is the adjectival form of "biology", the study of life.

Biological may also refer to:

• Biological agent, an infectious disease or toxin that can be used in bioterrorism or biological warfare
• Biological process
• Biological relationship, a measure of the degree ofconsanguinity

• Biologic (disambiguation)
• Biological material (disambiguation)
• Biological warfare
• Biopharmaceutical, a drug that is synthesized from living organisms or their products and used as a medical treatment
• Organic (disambiguation)

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