Top definition
The largest multiple of a second that is measurable. It's about 10000000000000000000000000 seconds.
Yottasecond is the largest multiple second measurable. It's symbol is yt.
by Clawbo November 28, 2008
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

Alphabetical list