einsteinium
Pronunciation: īn-stīn′ē-ŭm
Definition: An artificially prepared transuranium element, atomic no. 99, atomic wt. 252.0; it has many isotopes, all of which are radioactive (252Es has the longest known half-life, 1.29 years).
[Albert Einstein]
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Examples: glitazone, GI cocktail, etc.
