say it: TEE-bee
tb is a noun meaning "a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite". It carries 5 recorded senses.
a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite
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)
a unit of information equal to 1000 gigabits or 10^12 (1,000,000,000,000) bits
a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for tb come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.