May 26, 2026 · The meaning of BIOLOGICAL is of or relating to biology or to life and living processes. How to use biological in a sentence.

BIOLOGICAL definition: 1. connected with the natural processes of living things: 2. related by birth: 3. Biological sex…. Learn more.

When you use the word biological, you're talking about life and living things. You'll recognize the root "bio-," meaning "life," as in biography — the story of someone's life — and biology — the study of …

Biology is the scientific study of life and living organisms. It is a broad natural science that encompasses a wide range of fields and unifying principles that explain the structure, function, growth, origin, …

Apr 28, 2026 · As a field of science, biology helps us understand the living world and the ways its many species (including humans) function, evolve, and interact. Advances in medicine, agriculture, …

Biologicals are drugs derived from living cells and cultivated in a laboratory. A biological is a drug, such as a vaccine, that is derived from a living organism.

Definition of biological adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.