More than the history of a single theory, it is an argument for the scientific method and for the illuminating power of human reason.

By night the mirrors doubled the illuminating power of candlelight.

The body of the Leviathan, especially his eyes, possesses great illuminating power.

Tars were detrimental for the illuminating power and were isolated from the gas as rapidly as possible.

It is used in making air gas, and in giving illuminating power to water gas.

Standard gas, burning at the rate of five cubic feet per hour, must have an illuminating power equal to that of fourteen such candles.

The truth of Scripture is received by the illuminating power of the Holy Spirit.

The performances are a reminder of the illuminating power of exquisitely meticulous acting.

The candle is ablaze with conscious life, or it has the illuminating power of the creative artist.

The insistence on truth is what gives his memoir its somberly illuminating power.