a. and sb. [UNDER-2.]

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  1.  Under-glaze painting, the process of painting on pottery before the application of the glaze.

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1883.  Harper’s Mag., July, 259/1. The underglaze painting of pottery.

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1885.  Encycl. Brit., XIX. 643/2.

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  b.  absol. as sb. in the same sense.

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1882.  Worcester Exhib. Catal., iii. 4. Plaques painted in under-glaze.

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1884.  American, VII. 217. The mysteries of ‘overglaze’ and ‘underglaze.’

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  2.  Of colors: Used in, adapted for, this method of decoration.

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1883.  American, VII. 119. The good effects of underglaze colors depend so essentially upon the firing.

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1885.  Encycl. Brit., XIX. 643/2. The soft subdued colours of the underglaze pigments.

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