0 measured in, or relating to, millimoles (= one thousandth of a mole):
1 a unit of measurement of the amount of a substance in a liquid :
Millimolar increases in extracellular K+ concentration powerfully enhance epileptiform activity in the hippocampus.
Hydrogen is observed at up to millimolar concentrations in fluids from focused hydrothermal venting sites at mid-ocean ridges.
Ten millimolar AG was supplemented to the maturation medium.
Try to express final concentrations in molar/millimolar/micromolar units where possible.
One millimolar extracellular Ca 2+ is sufficient and necessary for egg activation.