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).
DEFINITION of 'Metrics'. Parameters or measures of quantitative assessment used for measurement, comparison or to track performance or production. Analysts use metrics to compare the performance of different companies, despite the many variations between firms. Next Up.