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
Synonyms and Antonyms of yb 
