Definition of biological in English:
1Of or relating to biology or living organisms.
- IBM has unveiled an ambitious initiative to develop technologies that share the basic biological abilities of living organisms.
- This heavy metal has no known biological function in living organisms.
- Biotechnology is the use of living organisms or biological substances to discover or produce therapeutic remedies.
1.1Relating to or involving the use of microorganisms or toxins of biological origin as weapons of war.
- Chemical toxins differ from biological weapons in that they are nonliving pathogens and require direct infection and contact with the victim.
- To reduce the severity and extent of war if it does break out, for example by limiting possession and use of nuclear and chemical and biological weapons.
- This element is the presence of weapons of mass destruction, WMD, which includes chemical, toxin, biological, and nuclear weapons.
1.2(Of a detergent or other cleaning product) containing enzymes to assist the process of cleaning.
- Use biological washing powder to clean your roasting tins: sprinkle in a cup of powder, add warm water and leave to soak for an hour
- Biological cleaning solutions, being natural and generally harmless, are very safe to use meaning cleaning staff are protected during general use and in the event of accidental spillages
- The pre-treatment and/or post-treatment baths are compatible with the biological cleaning bath and during operation of the system, the used pre-treatment and/or post-treatment baths are recycled to the biological cleaning solution for biodegradation.
2(Of a member of a person’s family) genetically related; related by blood: the rights of the biological father
More example sentences
- And the mother and father, the biological parents of this baby were in the wind but the grandparents lived in New Jersey.
- Scientists are to carry out the first British experiments on human embryos that would create a baby with three biological parents - two mothers and a father.
- Parenting is separated from sexuality in a way that it is not for heterosexual parents with biological children.
noun(usually biologicals) Back to top
A therapeutic substance, such as a vaccine or drug, derived from biological sources: an international biotechnology company with interests in biologicals, agriculture, and pharmaceutical products
More example sentences
- Pass-Through Codes are temporary codes for which hospital outpatient departments receive payments in addition to the APC rate for certain biologicals, drugs, and innovative medical devices.
- The Merck index: an encyclopedia of chemicals, drugs & biologicals.
- The MMA changed the payment rates for many drugs, biologicals, and services.
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