Definitions
from The Century Dictionary.
- noun That member of a series of oxids which contains a single oxygen atom combined with a single bivalent atom or with two univalent atoms: applied only to oxids which are not strongly basic or acid.
Etymologies
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Examples
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The protoxid of tin (SnO) is black, and can be obtained from chlorid of tin, or by _long_ exposure of tin to the atmosphere.
Tin Foil and Its Combinations for Filling Teeth Henry Lovejoy Ambler 1883
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"In the mouth, a suboxid is more likely to be formed than a protoxid, but both are black; sulfur and oxygen are capable of acting on tin under favorable circumstances, such as warmth, moisture, full contact, condensation of elements, and their nascent conditions; the first three are always present in the mouth.
Tin Foil and Its Combinations for Filling Teeth Henry Lovejoy Ambler 1883
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