The second number measures diastolic pressure, or the pressure in the arteries when the heart rests between beats. Optimal blood pressure is less than 120/80 (systolic/diastolic). In healthy people, low blood pressure without any symptoms is not usually a concern and does not need to be treated.
The noun AQUARIUS THE WATER BEARER has 1 sense: 1. the eleventh sign of the zodiac; the sun is in this sign from about January 20 to February 18. Familiarity information: AQUARIUS THE WATER BEARER used as a noun is very rare.
Aqua regia is used for testing metals and dissolving platinum and gold. aqua weed cutter (s) (noun) , aqua weed cutters (pl). A device attached to the bow of a boat that can cut and clear a wide path through a weed-choked lake. aqua; aq.; a., (s) (noun) ; aquae, (pl). A reference to an aqueduct that was used to supply water to the city of Rome. During the Republic, aqueducts, and the water supplied, were cared for by water companies hired under contract by the censors. This abbreviation (aq.) is used with several adjectives that have applications for medical or pharmaceutical instructions: 1  aq. astr. ( 2 aqua astricta), frozen water. 3  aq. bull.