[¦in·tər¦nash·ən·əl ′krid·ə·kəl ‚tā·bəlz] (physics) A seven-volume series of tables of numerical data in physics, chemistry, and technology, published in 1926-1930, prepared by experts who gave the “best” value which could be derived from all the data available at the time. Abbreviated ICT.AcronymsSeeICT