'Yb' definitions:

Definition of 'Yb'

(from WordNet)
noun
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]
noun
A unit of information equal to 1000 zettabits or 10^24 bits [syn: yottabit, Ybit, Yb]
noun
A unit of information equal to 1000 zettabytes or 10^24 bytes [syn: yottabyte, YB]
noun
A unit of information equal to 1024 zebibytes or 2^80 bytes [syn: yottabyte, yobibyte, YB, YiB]