oxygen-bearing substances

noun
UK /ˈɒksɪdʒən ˈbɛərɪŋ ˈsʌbstənsɪz/
US /ˈɑːksɪdʒən ˈbɛrɪŋ ˈsʌbstənsɪz/

These are things that have oxygen inside them.

Water and rust are oxygen-bearing substances.


OTHER MEANINGS

2. Chemical compounds in which oxygen is bonded to other elements.

Many minerals are oxygen-bearing substances such as iron oxide.

3. Materials that can release or supply oxygen, like in breathing equipment.

The tank held oxygen-bearing substances for the divers.

4. Substances in the body that carry oxygen through the blood.

Hemoglobin is one of the oxygen-bearing substances in red blood cells.