INGRAIN

ingrain. Ingrain, v.t. to die in the grain, or before manufacture

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In″grain′ (?; 277), a. [[Pref. in- in + grain kermes. See Engrain, Grain.]] 1. 1. Dyed with grain, or kermes.
2. 2. Dyed before manufacture, — said of the material of a textile fabric; hence, in general, thoroughly inwrought; forming an essential part of the substance.
Ingrain carpet, a double or two-ply carpet. — Triple ingrain carpet, a three-ply carpet.