Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. astatine

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

From the name given by Dmitri Mendeleev to gallium prior to its discovery; from the fact that it lies below iodine in the periodic table

Examples

  • A few years ago it was believed that every element in the periodic table had been found, with the exception of the elements of atomic number 85 and 87, the hypothetical elements known as eka-iodine and eka-caesium, respectively.

    Nobel Prize in Physics 1939 - Presentation Speech

  • Physics Department staff and of the Radiation Laboratory, aided by Dr. Segrè, Dr.J. G. Hamilton and Mr.K. R. Mackenzie, has found what appears to be clear evidence of a radioactive form of element 85, eka-iodine.

    Nobel Prize in Physics 1939 - Presentation Speech

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