An ion selective electrode used to measure the concentration of potassium ions, especially in biological fluids.

(chemistry, physics) An electrode whose potential is dependent on the concentration of a specific ion in the solution in which it is immersed.

(pharmacology) Any of a class of drugs, such as fluoxetine or sertraline, that inhibit the uptake of serotonin in the central nervous system and are often used to treat certain mental illnesses, such as depression.

plural of selective serotonin reuptake inhibitor

In a selectional way.

plural of selectionist

plural of selectionism

Any doctrine or theory that is based on selection, especially in terms of evolution.

Relating to selectionism

An advocate of selectionism