Definition, synonyms and related words
Clipping of biography.
"The new class schedule lists Mr. Henderson as our bio teacher for next semester."
Abbreviation of biology.
In plain English: A bio is a short written summary of someone's life and background.
"The bio in my phone says I'm a graphic designer and a coffee enthusiast."
Usage: As a noun referring to a biography or short life story, "bio" describes a written account of someone's life, often found in books or media credits. Do not use it to mean the field of study known as biology when referring to living organisms or scientific principles.
biological.
"The doctor ordered a blood test to check his bio markers for diabetes."
In plain English: Bio means biological, relating to living things and how they grow and function.
"The bio lab was filled with students studying plant cells."
Usage: Use "bio" only in specific compound words like biography or biosphere to describe life-related things; it is not a standalone adjective and should never be used before a noun to mean biological. Instead, use the full word "biological" when you need an adjective.
Derived from Ancient Greek bios, meaning "life," this prefix is used to denote living organisms or life processes. It entered English through scientific terminology in the 19th century.