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 dynamic ecosystem with a connection with the open sea through which the sea water enters with the rhythm of the tides. The sea water entering the estuary is diluted by the fresh water flowing from rivers and streams.The pattern of dilution varies between different estuaries and depends on the volume of fresh water, the tidal range, and the extent of evaporation of the water in the estuary.he sea water entering the estuary is diluted by the fresh water flowing from rivers and streams. The pattern of dilution varies between different estuaries and depends on the volume of fresh water, the tidal range, and the extent of evaporation of the water in the estuary.