yttrium


Concise Oxford English Dictionary © 2008 Oxford University Press:
yttrium /ˈɪtrɪəm/
noun the chemical element of atomic number 39, a greyish-white metal resembling the rare-earth elements. (Symbol: Y)
– origin C19: mod. L., from Ytterby (see ytterbium).
'yttrium' also found in these Oxford entries:

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