1. having an electric potential more negative than the resting potential of a cell membrane
Usage: technical; biology/neuroscience

1. past tense and past participle of hyperpolarize; to increase the electric potential of a cell membrane to a more negative level
Usage: technical; biology/neuroscience

Examples

• The neuron became hyperpolarized after the inhibitory signal was received.
• When the membrane is hyperpolarized, the cell is less likely to fire an action potential.
• Researchers hyperpolarized the tissue sample to study its electrical properties.
• The hyperpolarized state makes the neuron more resistant to stimulation.
• Scientists hyperpolarized the cells using specialized imaging techniques to enhance contrast.