The designer used a pi font to add decorative symbols to the invitation.

The laboratory measured PI IgGs in the patient's serum to assess immune response.

Researchers often investigate cation-pi interactions to understand neurotransmitter binding in receptors.

When designing the poster, she tested several pi fonts to ensure the symbol matched the surrounding typeface.

The detector recorded several pi plus events during the collision experiment.

The detector recorded a high-energy pi minus among the collision byproducts.

We measured PI IgG levels in the serum samples before immunization to establish a baseline.

Ho-pi slipped between the reeds, a living echo of the ancient serpent legend.

Ch'ih-pi carried a small lantern through the festival, and everyone smiled at her playful charm.

Grandma always baked sugar pies for the holidays, filling the house with a warm, caramel aroma.