1. (noun)
ytterbium, Yb, atomic number 70
- a soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime Synonyms: ytterbium, yottabyte, yottabit, yobibyte, atomic number 70
4. (noun)
yottabyte, yobibyte, YB, YiB
- a unit of information equal to 1024 zebibytes or 2^80 bytes Synonyms: ytterbium, yottabyte, yottabit, yobibyte, atomic number 70