powder

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Related to powdery: powdery mildew

powder

 [pow´der]
an aggregation of particles, as that obtained by grinding or rubbing a solid.

pow·der

(pow'dĕr),
1. A dry mass of minute separate particles of any substance.
2. In pharmaceutics, a homogeneous dispersion of finely divided, relatively dry, particulate matter consisting of one or more substances; the degree of fineness of a pow'der is related to passage of the material through standard sieves.
3. A single dose of a powdered drug, enclosed in an envelope of folded paper.
4. To reduce a solid substance to a state of fine division.
[Fr. poudre; L. pulvis]

powder

(pou′dər)
n.
1. A substance consisting of ground, pulverized, or otherwise finely dispersed solid particles.
2. Any of various preparations in the form of powder, as certain cosmetics and medicines.

pow′der·er n.

powder

the dried product of an extraction process in which a substance is first mixed with a solvent such as alcohol or water. Then, the solvent is removed completely. The dry solid that remains either is already in powder form or may be ground into it.

powder

Chinese medicine
A general term for ground herbs and formulas used in Chinese herbal medicine to prepare in capsules, infusions, liquors, porridges, ointments, pastes and pills; powders are less concentrated than decoctions, gentler, are best suited for chronic conditions.

powder

Drug slang A pulverized abuse substance–eg, heroin, amphetamine, cocaine Vox populi A pulverized material. See Antler velvet powder, Dover's powder, Fluticasone propionate inhalation powder, Inheritance powder, James Fever powder, Talcum powder.

pow·der

(pow'dĕr)
1. A dry mass of minute separate particles of any substance.
2. pharmaceutics A homogeneous dispersion of finely divided, relatively dry particulate matter consisting of one or more substances.
3. A single dose of a powdered drug, enclosed in an envelope of folded paper.
4. To reduce a solid substance to a state of very fine division.
[Fr. poudre; L. pulvis]

powder,

n in homeopathy, a dosage form, often lactose, that has had a small amount of homeopathic remedy poured on it. This powder can then be consumed by the patient.

pow·der

(pow'dĕr)
1. A dry mass of minute separate particles of any substance.
2. In pharmaceutics, a homogeneous dispersion of finely divided, relatively dry, particulate matter consisting of one or more substances.
[Fr. poudre; L. pulvis]

powder

an aggregation of particles obtained by grinding or triturating a solid.

dusting powder
a fine powder used as a talc substitute.
glove powder
sterile and special grind for powdering surgical gloves.
References in classic literature ?
A yard of powdery snow had to be pressed down, and the wide-webbed shoe, under a man's weight, sank a full dozen inches into the soft surface.
And when I returned new drifts would have formed, through which I floundered, where the busy northwest wind had been depositing the powdery snow round a sharp angle in the road, and not a rabbit's track, nor even the fine print, the small type, of a meadow mouse was to be seen.
Broad-spectrum control of profit-robbing foliar diseases and soil pathogens, such as rusts, Septoria, leaf spots, Southern stem rot (white mold), apple scab, powdery mildew, early blight and Rhizoctonia
Last week Phil Taylor from Kent asked why his acanthus, which was under a red robin, kept developing powdery white dust on its leaves.
Guizhou University has been awarded a patent for a gradient bioceramic coating, wherein the gradient bioceramic coating is prepared with powdery titanium, and powdery composite ceramics, wherein the powdery composite ceramics is composed of powdery ceramics obtained by mixing CaHPO4.
The much-maligned aster epitomises the end of the flowering season, often encased in a shroud of powdery white mildew before eventually succumbing.
Cooking them for so long made a very dry pie taste almost powdery.
Watch out for early signs of powdery mildew disease which could be rampant at this time of the year.
Unlike the fragrance of a violet flower, which is sweet and powdery, Violet Leaf exudes an organic, green fragrance with a subtle floral undertone and watery accents of melon and cucumber.
Remove leaves that look dusty, as this could herald powdery mildew.
Area growers and other experts say recent steady rains have left some pumpkin vines, as well as other species of the Cucurbit family, covered in powdery mildew.
5 to 3% melt, where the primary particle size is in the range of a few microns, for example is typically achieved using a powdery melt.