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).
The gram (alternative spelling: gramme; SI unit symbol: g) (Latin gramma, from Greek Î³ÏÎ¬Î¼Î¼Î±, grÃ¡mma) is a metric system unit of mass.