Marked tension; great activity; often used simply to denote a measure of the degree or amount of some quality. [L. in- tendo, pp. -tensus, to stretch out]
luminous i. (I) the luminous flux per unit solid angle in a given direction.candle-power, radiant i;
radiant i. (I) luminous i
i. of sound the objective measurement of the amplitude of vibration of a sound wave.
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