In grain

of a fast color; deeply seated; fixed; innate; genuine.

See also: Grain

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
It's also available in grain weights of 75, 85, 90 and 100.
In 1995, OSHA admitted to mishandling Patrick's case and revised its safety standards for workers in grain elevators and mills.