grain

[方]树枝

鱼叉上的一齿

grain

the small hard seedlike fruit of a grass, esp a cereal plant

a mass of such fruits, esp when gathered for food

the plants, collectively, from which such fruits are harvested

a small hard particle

the general direction or arrangement of the fibrous elements in paper or wood.the pattern or texture of wood resulting from such an arrangement

the relative size of the particles of a substance

the granular texture of a rock, mineral, etc.the appearance of a rock, mineral, etc, determined by the size and arrangement of its constituents

the outer (hair-side) layer of a hide or skin from which the hair or wool has been removed.the pattern on the outer surface of such a hide or skin

a surface artificially imitating the grain of wood, leather, stone, etc; graining

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 1/7000 of a pound, and in the Troy and apothecaries' systems it equals 1/5760 of a pound. 1 grain is equal to 0.0648 gramAbbreviation:gr

Also called: metric grain a metric unit of weight used for pearls or diamonds, equal to 50 milligrams or one quarter of a carat

the threads or direction of threads in a woven fabric

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

a granular effect in a television picture caused by electrical noise

cleavage lines in crystalline material, parallel to growth planes

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

a state of crystallization

a very small amount

natural disposition, inclination, or character (esp in the phrase go against the grain)

a homogenous mass of solid propellant in a form designed to give the required combustion characteristics for a particular rocket

kermes or a red dye made from this insect

an obsolete word for colour

to form grains or cause to form into grains; granulate; crystallize

to give a granular or roughened appearance or texture to

to paint, stain, etc, in imitation of the grain of wood or leather

to remove the hair or wool from (a hide or skin) before tanning.to raise the grain pattern on (leather)