Representative of electric potential at the ends of a circuit which consists of positive and negative polarities.

The polarization of the light received from distant stars as a result of interaction with dust particles

plural of polar willow

circularly polarized light

(physics) polarized light in which the electric and magnetic fields vibrate in same phase

Synonym of polar bear plunge

Any of a system of coordinates by which a point is located in space by its distance from a pole, the angle between the polar axis and its radius vector, and its longitude

(physics) Light (or other electromagnetic radiation) whose electric or displacement vector rotates in a plane perpendicular to the propagation direction with constant angular velocity

(chemistry) A covalent bond in which the electrons are not shared equally, giving the bond some ionic character

(meteorology) A relatively rare type of clouds that occurs high in the stratosphere; polar stratospheric clouds often resemble mother-of-pearl as they shine in vivid colours, known as irisation