adj
biological
beye-uh-LOJ-ih-kuhl
adj
1
Relating to biology or to living organisms and their processes.
"The vaccine triggers a biological response in the immune system."
2
Related by blood rather than by adoption or marriage.
"She was raised by her stepfather but stayed close to her biological dad."
How to Use Biological
Learner’s notesIn plain EnglishHaving to do with living things and how their bodies work, or (for family) related by blood.
Common mistake
"Biological parent/mother/father" specifically distinguishes a blood relation from an adoptive or step relation.
Common pairings
biological process
biological parent
biological clock
Word Forms
biologicals plural
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The vaccine triggers a _____ response in the immune system.
Etymology
From "biology" plus the adjective ending "-ical."