oxygen-containing substances
nounUK /ˈɒksɪdʒən kənˈteɪnɪŋ ˈsʌbstənsɪz/
US /ˈɑːksɪdʒən kənˈteɪnɪŋ ˈsʌbstənsɪz/
Things that have oxygen in them.
Water and air are oxygen-containing substances.
OTHER MEANINGS
2. Chemical compounds that include oxygen atoms in their structure.
Many oxygen-containing substances, like rust, form when metals react with air.
3. Materials that release or supply oxygen, such as hydrogen peroxide.
Some oxygen-containing substances are used to help clean wounds.
4. Substances in which oxygen is dissolved, like oxygenated water.
Fish breathe oxygen-containing substances in the water.