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).
A FEW WORDS ABOUT. METRICS. A metric is a measurement that characterizes some aspect of an entity - be it a product, a process or a company. It's often been said that you can't manage what you can't measure, and without a metric it's difficult to set targets, monitor progress, track results and fix problems.