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 suffix meter means an instrument that is used to measure something. Words containing this root word include: ammeter; altimeter; anemometer; thermometer; barometer; voltmeter; odometer; speedometer; tachymeter; tachometer; radiometer; spectrometer; spherometer; Meter is actually quite different to metre, which refers to an actual unit of measurement. In the original UK English, such units of measurement are as listed below, and not containing the Americanised spelling of meter. metre; millimetre; centimetre; decimetre; kilometre