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.
âº MEASURES using or ârelating to a âsystem of âmeasurement that uses âmetres, âcentimetres, âlitres, etc.: Most âhigh-tech âindustry has been metric for decades. Compare imperial. Compare. imperial. (Definition of metric from the Cambridge Business English Dictionary Â© Cambridge University Press).