Definition of stannous in English:

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Pronunciation: /ˈstanəs/


Of tin with a valence of two; of tin(II). Compare with stannic.
Example sentences
  • For example, sodium fluoride, calcium fluoride, and stannous fluoride are all used to help reduce tooth decay.
  • Reduction with stannous chloride alone allowed for selective reduction of inorganic mercury.
  • Tranexamic acid, D-gluconic acid (hemicalcium salt), dithiothreitol, and stannous chloride were purchased from Sigma (St. Louis, MO).


Mid 19th century: from late Latin stannum 'tin' + -ous.

For editors and proofreaders

Syllabification: stan·nous

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