Pb

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a soft heavy toxic malleable metallic element;
bluish white when freshly cut but tarnishes readily to dull grey
- the children were playing with lead soldiers
• Syn:
lead, atomic number 82
• Hypernyms:
metallic element, metal
• Hyponyms:
hard lead, antimonial lead, pig lead
• Substance Holonyms:
galena, cerussite, white lead ore
2. a unit of information equal to 1000 terabits or 10^15 bits
• Syn:
petabit, Pbit
• Hypernyms:
computer memory unit
• Part Holonyms:
exabit, Ebit, Eb
• Part Meronyms:
terabit, Tbit, Tb