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.
2. metric-a decimal unit of measurement of the metric system (based on meters and kilograms and seconds); convert all the measurements to metric units; it is easier to work in metric. metric unit.
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.