n. Chem. a rare soft white metallic element, occurring naturally in zinc blende and some iron ores. thallic adj. thallous adj.
[ formed as THALLUS, from the green line in its spectrum ]
n. Chem. a rare soft white metallic element, occurring naturally in zinc blende and some iron ores. thallic adj. thallous adj.
[ formed as THALLUS, from the green line in its spectrum ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012