oxygen-heavysubstances
nounUK /ˈɒksɪdʒən ˈhɛvi ˈsʌbstənsɪz/
US /ˈɑːksɪdʒən ˈhɛvi ˈsʌbstənsɪz/
These are heavy materials that have a lot of oxygen in them.
The scientist studied oxygen-heavysubstances to see how they react with water.
RELATED WORDS
OTHER MEANINGS
2. Heavy chemical compounds where oxygen is a major part, often found in rocks and minerals.
Geologists found oxygen-heavysubstances deep in the cave walls.
3. Materials that feel heavy and contain a lot of oxygen, used in some industrial processes.
The factory uses oxygen-heavysubstances to make strong glass.
4. A playful term for dense, oxygen-filled mixtures in science experiments.
The kids mixed oxygen-heavysubstances to create a fizzy reaction.