Yb
    n 1: a soft silvery metallic element; a rare earth of the
         lanthanide series; it occurs in gadolinite and monazite and
         xenotime [syn: ytterbium, Yb, atomic number 70]
    2: a unit of information equal to 1000 zettabits or 10^24 bits
       [syn: yottabit, Ybit, Yb]
    3: a unit of information equal to 1000 zettabytes or 10^24 bytes
       [syn: yottabyte, YB]
    4: a unit of information equal to 1024 zebibytes or 2^80 bytes
       [syn: yottabyte, yobibyte, YB, YiB]