The reason hard boiled eggs dont last as long as raw eggs is that in cooking the eggs, a natural protective chemical layer (produced by the mother hen) is washed off the porous eggshell, allowing germs to enter. Source(s): http://cookery.newarchaeology.com/how_lo... sugarice82 Â· 9 years ago.
Freebase(0.00 / 0 votes)Rate this definition: Song cycle. A song cycle is a group of songs designed to be performed in a sequence as a single entity. As a rule, all of the songs are by the same composer and often use words from the same poet or lyricist.
Water Cycle Definition - What does Water Cycle mean? The water cycle is a series of processes that a body of water goes through as it transitions between the earth's oceans, the atmosphere and land, and involves precipitation as rain or snow, drainage through rivers and streams, and evaporation into the atmosphere by heat from the sun.