against grain

Medical Dictionary

grain (grān)
n.

  1. A small, dry, one-seeded fruit of a cereal grass, having the fruit and the seed walls united.

  2. The fruits of cereal grasses especially after having been harvested, considered as a group.

  3. A relatively small discrete particulate or crystalline mass.


  4. Abbr. gr. A unit of weight in the U.S. Customary System, an avoirdupois unit equal to 0.002286 ounce (0.065 gram).

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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