tb

Noun tb has 5 senses

• tb(n = noun.substance) atomic number 65, terbium - a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite;
is a kind of metal, metallic element

• tb(n = noun.state) t.b., tuberculosis - 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);
is a kind of infectious disease
has particulars: pott's disease, miliary tuberculosis, consumption, phthisis, pulmonary tuberculosis, wasting disease, white plague, king's evil, scrofula, struma, lupus vulgaris

• tb(n = noun.quantity) tbit, terabit - a unit of information equal to 1000 gigabits or 10^12 (1,000,000,000,000) bits;
is a kind of computer memory unit
has parts: gb, gbit, gigabit
is a part of pb, pbit, petabit

• tb(n = noun.quantity) terabyte - a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes;
is a kind of computer memory unit
has parts: g, gb, gigabyte
is a part of pb, petabyte

• tb(n = noun.quantity) tebibyte, terabyte, tib - a unit of information equal to 1024 gibibytes or 2^40 (1,099,511,627,776) bytes;
is a kind of computer memory unit
has parts: g, gb, gib, gibibyte, gigabyte
is a part of pb, pebibyte, petabyte, pib