Artificial intelligent assistant

overgrain

overˈgrain, v.
  [over- 8.]
  trans. To grain over (a surface that has already been grained), so as to put on additional lights and shades. Hence overˈgraining vbl. n.; overˈgrainer, one who or that which overgrains; an overgraining brush.

1873 Spon Workshop Receipts Ser. i. 420/1 Overgraining.—This operation is performed in the same manner both upon work which has been oil grained or spirit grained. In overgraining, water-colours are used. Ibid. 420/2 There are several descriptions of overgraining brushes in use... The knots and figures must be lightly touched up with the over⁓grainer, and the whole gone over quickly with a badger softening brush. The overgraining dries quickly, and the varnish may be then applied.

Oxford English Dictionary

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