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单词 grain
释义

WordReference Random House Learner's Dictionary of American English © 2024
grain /greɪn/USA pronunciation   n. 
  1. [countable] a small, hard seed, esp. the seed of a food plant such as wheat, corn, rye, oats, rice, or millet.
  2. the gathered seed of food plants, esp. of cereal plants:[uncountable]shipped tons of grain.
  3. any small, hard particle, as of sand, gold, pepper, or gunpowder:[countable]a few grains of salt.
  4. the smallest possible amount:[countable* usually singular]There was a grain of truth in what she said.
  5. Furniture the arrangement or direction of the fibers in wood, meat, etc., or the pattern resulting from this:[uncountable]the beautiful grain of walnut.
  6. Jewelry[countable] a unit of weight equal to 50 milligrams or ¼ carat, used for pearls and sometimes diamonds.
Idioms
  1. Idioms against one's or the grain, in conflict with one's nature or beliefs:It goes against her grain to spend more money than she has to.


WordReference Random House Unabridged Dictionary of American English © 2024
grain  (grān),USA pronunciation n. 
  1. a small, hard seed, esp. the seed of a food plant such as wheat, corn, rye, oats, rice, or millet.
  2. the gathered seed of food plants, esp. of cereal plants.
  3. such plants collectively.
  4. any small, hard particle, as of sand, gold, pepper, or gunpowder.
  5. Weights and Measuresthe smallest unit of weight in most systems, originally determined by the weight of a plump grain of wheat. In the U.S. and British systems, as in avoirdupois, troy, and apothecaries' weights, the grain is identical. In an avoirdupois ounce there are 437.5 grains;
    in the troy and apothecaries' ounces there are 480 grains (one grain equals 0.0648 gram).
  6. the smallest possible amount of anything:a grain of truth.
  7. Furniturethe arrangement or direction of fibers in wood, or the pattern resulting from this.
  8. the direction in which the fibers of a piece of dressed wood, as a board, rise to the surface:You should work with or across the grain, but never against.
  9. Clothingthe side of leather from which the hair has been removed.
  10. Clothinga stamped pattern that imitates the natural grain of leather: used either on leather to simulate a different type of natural leather, or on coated cloth.
  11. Textiles
    • the fibers or yarn in a piece of fabric as differentiated from the fabric itself.
    • the direction of threads in a woven fabric in relation to the selvage.
  12. Geologythe lamination or cleavage of stone, coal, etc.
  13. Metallurgyany of the individual crystalline particles forming a metal.
  14. Jewelrya unit of weight equal to 50 milligrams or ¼ carat, used for pearls and sometimes for diamonds.
  15. the size of constituent particles of any substance;
    texture:sugar of fine grain.
  16. a granular texture or appearance:a stone of coarse grain.
  17. a state of crystallization:boiled to the grain.
  18. temper or natural character:two brothers of similar grain.
  19. Rocketrya unit of solid propellant.
  20. [Obs.]color or hue.
  21. Idioms against the or one's grain, in opposition to one's temper, inclination, or character:Haggling always went against her grain.
  22. Idioms with a grain of salt. See salt 1 (def. 9).

v.t. 
  1. to form into grains;
    granulate.
  2. to give a granular appearance to.
  3. Furniture, to paint in imitation of the grain of wood, stone, etc.:metal doors grained to resemble oak.
  4. to feed grain to (an animal).
  5. Clothing[Tanning.]
    • to remove the hair from (skins).
    • to soften and raise the grain of (leather).
  • Latin grānum seed, grain; see corn1
  • Old French grain
  • Middle English grain, grein 1250–1300
grainer, n. 
grainless, adj. 
    • 6.See corresponding entry in Unabridged bit, speck, trace, jot, iota, whit, tittle.

Collins Concise English Dictionary © HarperCollins Publishers::
grain /ɡreɪn/ n
  1. the small hard seedlike fruit of a grass, esp a cereal plant
  2. a mass of such fruits, esp when gathered for food
  3. the plants, collectively, from which such fruits are harvested
  4. a small hard particle: a grain of sand
  5. the general direction or arrangement of the fibrous elements in paper or wood: to saw across the grain
  6. the pattern or texture of wood resulting from such an arrangement: the attractive grain of the table
  7. the relative size of the particles of a substance: sugar of fine grain
  8. the granular texture of a rock, mineral, etc
  9. the appearance of a rock, mineral, etc, determined by the size and arrangement of its constituents
  10. the outer (hair-side) layer of a hide or skin from which the hair or wool has been removed
  11. the smallest unit of weight in the avoirdupois, Troy, and apothecaries' systems, based on the average weight of a grain of wheat: in the avoirdupois system it equals 17000 of a pound, and in the Troy and apothecaries' systems it equals 15760 of a pound. 1 grain is equal to 0.0648 gram
  12. the threads or direction of threads in a woven fabric
  13. any of a large number of particles in a photographic emulsion, the size of which limit the extent to which an image can be enlarged without serious loss of definition
  14. cleavage lines in crystalline material, parallel to growth planes
  15. any of a large number of small crystals forming a polycrystalline solid, each having a regular array of atoms that differs in orientation from that of the surrounding crystallites
  16. a very small amount: a grain of truth
  17. natural disposition, inclination, or character (esp in the phrase go against the grain)
  18. a homogenous mass of solid propellant in a form designed to give the required combustion characteristics for a particular rocket
  19. (not in technical usage) kermes or a red dye made from this insect
vb (mainly tr)
  1. (also intr) to form grains or cause to form into grains; granulate; crystallize
  2. to give a granular or roughened appearance or texture to
  3. to paint, stain, etc, in imitation of the grain of wood or leather
  4. to remove the hair or wool from (a hide or skin) before tanning
  5. to raise the grain pattern on (leather)
Etymology: 13th Century: from Old French, from Latin grānum
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