1. extremely fine or delicate; of very small size or extent
Usage: general use
2. relating to or denoting the splitting of spectral lines caused by interaction between the nuclear magnetic moment and the electronic magnetic field
Usage: physics; technical

Examples

• The hyperfine structure of the hydrogen atom is important in atomic physics.
• The microscope revealed hyperfine details invisible to the naked eye.
• Hyperfine splitting in spectroscopy helps scientists study atomic properties.
• The artist worked with hyperfine brushstrokes to create the delicate painting.
• Hyperfine measurements require extremely sensitive instruments.