biological
bi-o-log-i-cal · adjective
Definitions
adjective
- 1.
Relating to biology or living organisms.
- 2.
Related by blood rather than by adoption or marriage.
- 3.
Involving the use of living organisms or their products.
Phrases & expressions
- •biological clock — The body's natural mechanism for regulating functions; also, the limited time a woman has to bear children.
- •biological warfare — The use of disease-causing agents as weapons.
- •biological parent — A parent who is genetically related to a child.
Related words
Etymology
From Greek bios ("life") + logos ("study, word") + -ical (adjective suffix). First attested in the early 19th century.