THALLOUS
Meaning of THALLOUS in English
/thal"euhs/ , adj. Chem.
containing univalent thallium.
Also, thallious /thal"ee euhs/ .
[ 1885-90; THALL(IUM) + -OUS ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012