[stan-uh s]

adjective Chemistry.

containing tin, especially in the bivalent state.

Origin of stannous

First recorded in 1840–50; stann(um) + -ous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for stannous

Historical Examples of stannous

British Dictionary definitions for stannous



of or containing tin, esp in the divalent state
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

stannous in Medicine




Of, relating to, or containing tin, especially with valence 2.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

stannous in Science



Containing tin, especially tin with a valence of 2. Compare stannic.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.