On this theory colour is regarded as due to the presence of a " chromophore," and dyeing power to an " auxochrome "; the latter by itself cannot produce colour or dyeing power, but it is only active in the presence of a chromophore, when it intensifies the colour and confers the property of dyeing. [Please select]
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It is succeeded by a state of steady wakefulness, which effort of attention or effort not to attend only intensifies. [Please select]
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It was a scarcely perceptible difference, perhaps the effect of the silence of the night which always intensifies sound. [Please select]
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Galling restrictions have been made, the very existence of which intensifies the hatred and prevents the assimilation of these Danes. [Please select]
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The very fact that the first man is not making the subject _his_ specialty, intensifies the achievement. [Please select]
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Of course I take long walks day by day, yet nothing more intensifies my sense of loss, perhaps, because we walked so much together. [Please select]
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