(technology) for LCD to be opaque and thus black when voltage is not applied to a pixel electrode and transparent and thus white when voltage is applied.

(photography) A lens which produces an image similar in detail and angular perspective to the view produced by the human eye, as distinct from a wide-angle lens or a telephoto lens.

(economics) a good for which demand increases when income increases and falls when income decreases but price remains constant, i.e. with a positive income elasticity of demand.

plural of normal basis

(algebra, field theory) For a given Galois field 𝔽_(qᵐ) and a suitable element β, a basis that has the form {β, β^q, β^(q2), ... , β^(qm-1)}.

plural of normal force

(geology) A type of fault in which the footwall moves up relative to the hanging wall.

plural of normal fault

(algebra) A finite, algebraic extension of some field such that if it contains any root of any irreducible polynomial over that base field then it contains all of the roots of that polynomial.

A lifestyle similar to that before the advent of COVID-19, but where some precautions such as social distancing, hand sanitising, contact tracing protocols, etc., will be in place to help prevent future outbreaks.