IV (intravenous): Within a vein. IV is the abbreviation for intravenous.. The word intravenous is quite properly an adjective. In this guise, it entered the English language around 1849. It means, according to Merriam Webster's Collegiate Dictionary, situated, performed, or occurring within or entering by way of a vein.. Some examples of the use of intravenous as an adjective: 1  Intravenous antibiotics refer to the administration into the venous circulation of a solution containing antibiotics; 2  Intravenous immunoglobulin is a sterile solution of concentrated antibodies extracted from healthy people given straight into a vein;
Aln Estuary water temperatures peak in the range 13 to 17Â°C (55 to 63Â°F) on around the 10th of August and are at their lowest on about the 25th of February, in the range 4 to 8Â°C (39 to 46Â°F).
An estuary is a sheltered, enclosed or semi-enclosed body of water where fresh and salt water mix. Estuaries generally have large sand and mud flats which are exposed at low tide and covered at high tide.There can be several estuaries within a harbour.here fresh and salt water mix. The mixing of fresh water and sea water is an important and distinct feature of the estuary. Fresh water, being lighter or less dense than salt water, will flow above the heavier sea water. In estuaries where large amounts of freshwater are discharged, a salt wedge is formed.