biological
adjective
bi·o·log·i·cal
ˌbī-ə-ˈlä-ji-kəl 
variants
or less commonly biologic
1
: of or relating to biology or to life and living processes
2
: used in or produced by applied biology
3
: connected by direct genetic relationship rather than by adoption or marriage
her biological father
Examples of biological in a Sentence
the rights of the biological father in this case
Recent Examples on the Web
Harry Laughlin, the most prominent American eugenicist of the era, made the biological case for putting eugenic principles into practice.
—
Arthur Caplan, Scientific American, 17 Oct. 2024
The researchers conducted a two-year study that tracked women before and after breast cancer treatment, analyzing blood cells for biological aging markers.
—Fran Kritz, Verywell Health, 17 Oct. 2024
This spring, 14 months after McNulty connected with his biological father, Thompson died following a series of health battles exacerbated by a heart attack.
—Brian McCollum, Detroit Free Press, 17 Oct. 2024
In a shocking twist, JJ learns that his biological father is Chandler Groff, and his mother is Larissa, who was believed to have drowned with her infant years ago on a boat called The Albatross.
—Jordana Comiter, People.com, 16 Oct. 2024
See all Example Sentences for biological 
Arthur Caplan, Scientific American, 17 Oct. 2024
The researchers conducted a two-year study that tracked women before and after breast cancer treatment, analyzing blood cells for biological aging markers.
—Fran Kritz, Verywell Health, 17 Oct. 2024
This spring, 14 months after McNulty connected with his biological father, Thompson died following a series of health battles exacerbated by a heart attack.
—Brian McCollum, Detroit Free Press, 17 Oct. 2024
In a shocking twist, JJ learns that his biological father is Chandler Groff, and his mother is Larissa, who was believed to have drowned with her infant years ago on a boat called The Albatross.
—Jordana Comiter, People.com, 16 Oct. 2024
See all Example Sentences for biological
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'biological.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near biological
Cite this Entry
“Biological.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/biological. Accessed 31 Oct. 2024.
Copy CitationMedical Definition
biological
adjective
variants
also biologic
1
: of or relating to biology or to life and living processes
2
: used in or produced by applied biology
3
: related by direct genetic relationship rather than by adoption or marriage
an adoptee who searched for years for her biological parents
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