In convex geometry, polar cones are used to characterize dual relationships between convex sets.

In my linguistics class, we analyzed several polar questions to understand their intonation patterns.

Polar foxes hunt under the midnight sun, their white fur blending with the snow.

The polar fox curled up behind a drift, its breath steaming in the cold air.

In human oogenesis, a polar body is produced as a tiny by-product of meiosis that helps conserve cytoplasm for the egg.

The teacher explained how to form a polar question and asked the students to write three examples.

She packed two polar fleeces and a raincoat for the hiking trip.

Measurements of the spin polarization in the thin film revealed a strong coupling between magnetic domains and charge transport.

The research team measured the conductance of a spin-polarized nanowire at low temperatures.

Scientists study the shrinking polar caps to understand global climate change.