Definition of "thallous" []

• Of, relating to, or containing thallium, especially with valence 1. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In February, 2007, I took a treadmill stress test during which thallous chloride was injected into my bloodstream."
• "And they called them hiketerious thallous, "branches of supplication," or prayer."
• "The solution is prepared by pouring a solution of thallous sulphate into a boiling solution of barium hydrate, equivalent quantities being taken, the resulting solution of thallous hydrate being concentrated in vacuo until 100 c.c. contains 10 grammes"