A wreath may be used as a headdress made from leaves, flowers and branches. It is typically worn in festive occasions and on holy days. Wreaths originally were made for use with pagan rituals in Europe, and were associated with the changing seasons and fertility.
To reverberate is defined as to continue to sound, such as in a series of echoes. 1  An example of to reverberate is when you hear the same sound continuing to echo.  An example of to reverberate is a repercussion, when one decision causes many different situations.
Reverberation time is defined as the length of time required for sound to decay 60 decibels from its initial level. Classrooms should have reverberation times in the range of 0.4-0.6 seconds, but many existing classrooms have reverberation times of 1 second or more.everberation time is defined as the length of time required for sound to decay 60 decibels from its initial level. Classrooms should have reverberation times in the range of 0.4-0.6 seconds, but many existing classrooms have reverberation times of 1 second or more.