"Thallous" is a word in ENGLISH

thallous ENGLISH
Definition:

Of or pertaining to thallium; derived from, or
containing, thallium; specifically, designating those compounds in
which the element has a lower valence as contrasted with the thallic
compounds.

Few words of positivity

Put your ear down close to your soul and listen hard.

Anne Sexton

WORD SUGGESTIONS
Laugh your heart out.

Mum: From now on your going to have free school dinners.Son:But, Mum, I don't want three school dinners, one is more than enough !

thallic ENGLISH

Of or pertaining to thallium; derived from, or containing, thallium; specifically, designating those compounds in which the element has a …

Read the complete definition