(medicine) A solution of 0.9% w/v of NaCl, about 300 mOsm/L.

(medicine, slang, UK, derogatory) Peculiar or odd. / (medicine, slang, UK, derogatory) Of a patient, having lesser intellect.

(databases) Any of various forms of a relational database providing criteria for determining a table's degree of vulnerability to logical inconsistencies and anomalies.

plural of normal space

(topology) A regular space with the additional property that for every disjoint pair of closed sets in that space, there is a disjoint pair of open sets which contain the closed sets, respectively.

plural of normal subgroup

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

(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.