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 noun KM has 1 sense: 1  1. a metric unit of length equal to 1000 meters (or 0.621371 miles) 2  Meaning: 3  A metric unit of length equal to 1000 meters (or 0.621371 miles) 4  Classified under: 5  Nouns denoting quantities and units of measure. 6  Synonyms: 7  kilometer; kilometre; klick; km. 8  Hypernyms (km is a kind of...):