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.
In order to properly convert from one metric unit to another, you must have the prefixes memorized. One good technique is to use flashcards. Here is a search for metric prefix flashcards. There is even someone selling an e-book for metric prefix flashcards.hese skills will be necessary in order to correctly convert one metric unit to another. A metric prefix is a modifier on the root word and it tells us the unit of measure. For example, centigram means we are count in steps of one one-hundredth of a gram, Î¼g means we count by millionths of a gram.