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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.

In a national randomized controlled trial, they found that a short-term, calorie-restricted eating plan led to meaningful improvements in both symptoms and biological markers in people with mild-to-moderate Crohn's disease.

From Science Daily • Apr. 3, 2026

"This shows that evolutionary success is not only about biological innovation -- timing and environmental context matter."

From Science Daily • Apr. 3, 2026

"It defines the female sex without taking into account the biological specificities of intersex individuals, whose sexual characteristics present natural variations, leading to a reductive and potentially stigmatising approach," ⁠claimed French Sports Minister Marina Ferrari.

From BBC • Mar. 31, 2026

He believes that any claims that FST-344 can lower biological age, improve longevity, or extend life are “100 percent marketing hype.”

From Slate • Mar. 30, 2026

Throughout the biological world, genes generally travel vertically—i.e., from parents to children, or from parent cells to daughter cells.

From "The Gene" by Siddhartha Mukherjee