অর্থ : A soft silvery metallic element. A rare earth of the lanthanide series. It occurs in gadolinite and monazite and xenotime.
সমার্থক : atomic number 70, ytterbium
অর্থ : A unit of information equal to 1000 zettabytes or 10^24 bytes.
সমার্থক : yottabyte
Yb meaning in Bengali (Bangla).