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

(engineering) A measure of a body's resistance to twisting; a measure of torsional strength.

plural of polar covalent bond