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biological

relating to living organisms / related by birth / pertaining to bio-weapons

/ˌbaɪə(ʊ)ˈlɒdʒɪkəl/

Adjective

This word functions as a technical descriptor that bridges the gap between raw nature and scientific study. It carries a clinical, objective tone, stripping away emotional or social layers to focus on organic matter and genetic blueprints. In familial contexts, it acts as a precise qualifier to distinguish genetics from legal or emotional bonds (e.g., 'biological mother' vs. 'adoptive mother'). Here, the word is neutral but can feel cold or stark depending on the emotional weight of the conversation. When used in security or military contexts, it takes on a menacing connotation. It shifts from describing life to describing life as a weaponized agent, evoking images of contagion and invisible threats.

💬Casual Conversation

🎬Mid-afternoon on a Tuesday, David is trying to finish a report at his home office.
Eleanor Smith

DID THE DOCTOR CALL ABOUT YOUR BIOLOGICAL NUMBERS DAVID? I AM WORRIED.

Eleanor Smith
David Smith
David Smith

Mom, I told you everything's good. They just sent over the data points.

💡
Eleanor, as the overbearing mother, is checking in on David's health with a slightly awkward phrasing ('biological numbers'). David, the stressed son, responds dismissively, using a corporate-sounding term ('data points') to explain the results, typical of his persona.

Meanings

Adjectiverelating to living organisms

Relating to biology or living organisms.

"The scientists are studying the biological effects of the new medication."

Adjectiverelated by birth

Related by birth or genetic descent rather than by adoption or marriage.

"She decided to search for her biological parents after twenty years."

Adjectivepertaining to bio-weapons

Relating to substances used as weapons that consist of living organisms or toxins.

"The government implemented strict protocols to prevent a biological attack."

Collocations & Compounds

biological clock

The internal control of natural cycles, such as sleep-wake patterns or reproductive cycles.

The biological clock dictates when we feel tired or alert.

biological diversity

The variety of life in the world or in a particular habitat or ecosystem.

Protecting biological diversity is crucial for ecosystem health.

biological warfare

The use of biological agents, such as bacteria or viruses, as weapons.

International treaties aim to prevent the development of biological warfare.

biological parent

A child's natural mother or father.

She was reunited with her biological parent after many years.

biological sample

A specimen taken from a living organism for scientific or medical analysis.

The lab needs a biological sample to run the tests.

Etymology

The word 'biological' derives from the Greek word 'bios', meaning 'life', and 'logos', meaning 'study'. It was coined in the early 19th century to describe the scientific study of living organisms. Its usage expanded to describe anything relating to the natural sciences concerned with life and living organisms.

Related Words

Last Updated: June 8, 2026Report an Error