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.
â¢ METRICAL FOOT (noun). The noun METRICAL FOOT has 1 sense: 1. (prosody) a group of 2 or 3 syllables forming the basic unit of poetic rhythm. Familiarity information: METRICAL FOOT used as a noun is very rare.