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Definitions

biological

[bahy-uh-loj-i-kuhl] / ˌbaɪ əˈlɒdʒ ɪ kəl /
ADJECTIVE
concerning life
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Brazil, and Mexico, identifying which biological pathways were more or less active.

From Science Daily • Apr. 21, 2026

It is agreed that Albon, who is originally from the United States and in his 50s, is the biological father of the child in this case.

From BBC • Apr. 21, 2026

A biological system once believed to separate DNA has instead evolved to control the shape of cyanobacterial cells.

From Science Daily • Apr. 20, 2026

“Our biological destiny is to have babies,” she wrote.

From Salon • Apr. 20, 2026

I couldn’t stop wondering about who my biological parents were, what tribe they were from, or why I was adopted in the first place.

From "I Can Make This Promise" by Christine Day




Vocabulary lists containing biological