معنى كلمة كلفن في القاموس

Of other glass having a linear coefficient of expansion not exceeding 5 x 10 6 per Kelvin within a temperature range of 0 °C to 300 °C

Of other glass having a linear coefficient of expansion not exceeding 5 x 10 6 per Kelvin within a temperature range of 0 °C to 300 °C

Of glass having a linear coefficient of expansion not exceeding 5 x 10 6 per Kelvin within a temperature range of 0 °C to 300 °C