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1. A soft silvery metallic element; a rare earth of the lanthanide series; it occurs in gadolinite and monazite and xenotime
   - ytterbium, atomic number 70
    
2. A unit of information equal to 1000 zettabits or 10^24 bits
   - yottabit, Ybit

1. A unit of information equal to 1000 zettabytes or 10^24 bytes
   - yottabyte
    
2. A unit of information equal to 1024 zebibytes or 2^80 bytes
   - yottabyte, yobibyte, YiB

Type of: computer memory unit, metal, metallic element

Part of: gadolinite, monazite, xenotime, ytterbite

Encyclopedia: Yb, Russia