Hypertension, or high blood pressure, is a condition in which blood-pressure at rest is higher than the body's needs. Because hypertension lacks overt symptoms, high blood pressure can go unnoticed for years.
metric (Noun). A measurement of the distance between two points in some metric space: it is a real-valued function d(x,y) between points x and y satisfying the following properties: (1) positive definiteness: and, (2) symmetry: , and (3) triangle inequality: . metric (Verb).
adj. 1. (Units) of or relating to the metre or metric system. 2. (Mathematics) maths denoting or relating to a set containing pairs of points for each of which a non-negative real number Ï(x, y) (the distance) can be defined, satisfying specific conditions.