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).
There are three kinds of answers: ones that are mostly right, ones that are mostly wrong, and those that once were right but now are wrong. The metric system (SI units) is a system of measurement in a decimal form (each successive unit of measure is 10 times larger or smaller than the preceding unit). Its name is from the Greek (mÃ©tron, to measure).