# law of partial pressures
## Noun (N)
### Sense: (chemistry and physics) law stating that the pressure exerted by a mixture of gases equals the sum of the partial pressures of the gases in the mixture; the pressure of a gas in a mixture equals the pressure it would exert if it occupied the same volume alone at the same temperature
- กฎของดาลตัน
- กฎความดันย่อยของดาลตัน