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Synonyms

biologic

American  
[bahy-uh-loj-ik] / ˌbaɪ əˈlɒdʒ ɪk /

noun

  1. Pharmacology. Usually biologics. Also biological any diagnostic, preventive, or therapeutic preparation, as a serum or vaccine, derived from animal products or other biological sources.

    Most of our biologics are isolated from human tissue.


adjective

  1. Biology. biological.

Etymology

Origin of biologic

First recorded in 1850–55; biolog(y) ( def. ) + -ic ( def. )

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.

Demand for biologic medicines has grown by double digits annually for more than a decade and should continue apace.

From Barron's • Jan. 8, 2026

That kind of whiplash is even more worrying in the division that oversees vaccines and other advanced biologic treatments.

From The Wall Street Journal • Dec. 4, 2025

In rheumatoid arthritis, where the immune system attacks joint linings, biologic drugs can control inflammation and prevent damage—though they may also raise infection risk or cause fatigue and nausea.

From The Wall Street Journal • Nov. 23, 2025

“We’re going to add new levels of biologic manipulation, whether it’s collagen or stem cells or things like that,” said Dugas, who worked with Dr. James Andrews.

From Seattle Times • Mar. 14, 2024

Disease usually results from inconclusive negotiations for symbiosis, an overstepping of the line by one side or the other, a biologic misinterpretation of borders.

From "The Lives of a Cell" by Lewis Thomas