It is an abbrevation for Common Era and is an alternative to the  naming of the calendar era of AD. BCE (Before Common Era) and CE  are the numerical equivalents of the ca â¦ lendar eras of BC (Before  Christ) and AD ('Anno Domini'). 632 CE means the same as 632 AD.
A Rod A rod is a unit of distance equal to 5.5 yards or 16.5 feet.
A grounding rod is a safety component of an electrical system which carries current away from a surging electrical circuit and routes it safely into the ground. Grounding rods are required for many electrical systems all over the world for safety reasons, and in regions where they are not required by law, they are in common use because they are excellent safety devices which are affordable to install.