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

plural of zone of polarizing activity

plural of positive polarity item

(linguistics) A polarity item that only appears in an affirmative (positive) licensing context.

(embryology) A region of mesenchymal connective tissue that carries instructions which direct the developing limb bud to form along the anterior-posterior axis.

(political science, US) the process of steady growth of the mutual dislike between Republicans and Democrats since the 1970s

A cant used in the London fishmarkets, in the British theatre, and by the homosexual community in Britain, attested since at least the 19th century and popularised in the 1950s and 1960s by the camp characters Julian and Sandy in the popular BBC radio show Round the Horne.

(physics) Of or pertaining to polarimetry, or measured using a polarimeter

(Polari) To talk.

An instrument used to measure the rotation of the plane of polarized light as it passes through a sample of an optically active compound; cf. colmascope.