Yb

noun

1. 1

   a unit of information equal to 1024 zebibytes or 2^80 bytes

2. 2

   a unit of information equal to 1000 zettabits or 10^24 bits

3. 3

   a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime

4. 4

   a unit of information equal to 1000 zettabytes or 10^24 bytes