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. Metric (SI) unit of work and energy. (1) As a unit or work, it is defined as the work done by a force of one newton acting on an object to move it through a distance of one meter in the direction the force is applied.efinition. Metric (SI) unit of work and energy. (1) As a unit or work, it is defined as the work done by a force of one newton acting on an object to move it through a distance of one meter in the direction the force is applied.