stannous

[stan-uh s]

adjective Chemistry.

containing tin, especially in the bivalent state.

Origin of stannous

First recorded in 1840–50; stann(um) + -ous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for stannous

Historical Examples of stannous

It is prepared from nitrobenzene by reducing it with stannous chloride and sodium hydroxide.
The New Gresham Encyclopedia. Vol. 1 Part 3
Various
Boiling with stannous chloride solution reduces it to the metal; digestion with potassium iodide gives mercurous iodide.
Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1
Various
Wool is dyed in single bath by boiling with a mixture of Flavine (8%), stannous chloride (4%) and oxalic acid (2%).
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8
Various
The colour is developed gradually as the temperature rises; it may be rendered brighter by the addition of stannous chloride.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8
Various
Stannous chloride is usually sufficiently contaminated with stannic salt.
The Elements of Qualitative Chemical Analysis, vol. 1, parts 1 and 2.
Julius Stieglitz

British Dictionary definitions for stannous

stannous

adjective

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

stannous

[stăn′əs]

adj.

Of, relating to, or containing tin, especially with valence 2.

stannous in Science

stannous

[stăn′əs]

Containing tin, especially tin with a valence of 2. Compare stannic.