Princeton's WordNet

1. terbium, Tb, atomic number 65(noun)

   a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite

   Synonyms:
   atomic number 65, terbium, terabyte, tuberculosis, terabit, tebibyte

2. tuberculosis, TB, T.B.(noun)

   infection transmitted by inhalation or ingestion of tubercle bacilli and manifested in fever and small lesions (usually in the lungs but in various other parts of the body in acute stages)

   Synonyms:
   atomic number 65, terbium, terabyte, tuberculosis, terabit, tebibyte

3. terabit, Tbit, Tb(noun)

   a unit of information equal to 1000 gigabits or 10^12 (1,000,000,000,000) bits

   Synonyms:
   atomic number 65, terbium, terabyte, tuberculosis, terabit, tebibyte

4. terabyte, TB(noun)

   a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes

   Synonyms:
   atomic number 65, terbium, terabyte, tuberculosis, terabit, tebibyte

5. terabyte, tebibyte, TB, TiB(noun)

   a unit of information equal to 1024 gibibytes or 2^40 (1,099,511,627,776) bytes

   Synonyms:
   atomic number 65, terbium, terabyte, tuberculosis, terabit, tebibyte