Definition of yttrium in English:

yttrium

noun

  • [mass noun] The chemical element of atomic number 39, a greyish-white metal generally included among the rare earth elements.

    • ‘The elements more abundant in Earth's crust seem to have more mentions - iron and oxygen have far more pages than yttrium and scandium.’
    • ‘Among various radionuclides, yttrium is of particular importance due to its chemical and nuclear characteristics.’
    • ‘Edwards notes from chemical analysis that there are traces of yttrium which are undoubtedly of diagenetic origin.’

Origin

Early 19th century: modern Latin, from Ytterby(see ytterbium).

Pronunciation:

yttrium

/ˈɪtrɪəm/