BIOLOGICAL Definition Meaning | Dictionary. com 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 living organisms
Biological - definition of biological by The Free Dictionary 1 Of, relating to, caused by, or affecting life or living organisms: biological processes such as growth and digestion 2 Having to do with biology 3 Related by genetic lineage: the child's biological parents; his biological sister 4 Being male or female by having the chromosomes for that sex: a biological female