Starch definition

stärch
(informal) Energy; vigor.
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Starchy foods.
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Foods having a high content of starch, as rice, breads, and potatoes.
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(nutrition, countable) Carbohydrates, as with grain and potato based foods.
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A carbohydrate that is the chief form of stored energy in plants, especially wheat, corn, rice, and potatoes. Starch is a mixture of two different polysaccharides built out of glucose units, and forms a white, tasteless powder when purified. It is an important source of nutrition and is also used to make adhesives, paper, and textiles.
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Starch is defined as to stiffen.

An example of starch is spraying a special substance on a shirt before ironing that is designed to make it stiff.

verb
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Any of various substances, including natural starch, used to stiffen fabrics.
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(countable) Any of various starch-like substances used as a laundry stiffener.
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To apply or treat with laundry starch, to create a hard, smooth surface.

She starched her blouses.

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A naturally abundant nutrient carbohydrate, (C6 H10 O5 )n , found chiefly in the seeds, fruits, tubers, roots, and stem pith of plants, notably in corn, potatoes, wheat, and rice, and varying widely in appearance according to source but commonly prepared as a white amorphous tasteless powder.
noun
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A white, tasteless, odorless substance found in potatoes, rice, corn, wheat, cassava, and many other vegetables: it is a granular solid, chemically a complex carbohydrate, (C6H10O5)n, and is used in adhesives, sizes, cooking, cosmetics, medicine, etc.
noun
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A powdered form of this, used in laundering for stiffening cloth, fabrics, etc.
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Starch is a white, odorless and tasteless substance found in some foods and used as a thickener or stabilizer.

An example of a starch is a potato.

An example of a starch is an adhesive used in paper products.

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Any of various substances, such as natural starch, used to stiffen cloth, as in laundering.
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Foods having a high content of starch, as rice, breads, and potatoes.
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Stiff behavior.
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Vigor; mettle.
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To stiffen with starch.
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Formal, unbending manner or behavior; stiffness.
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To stiffen with or as if with starch.
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(uncountable) A widely diffused vegetable substance found especially in seeds, bulbs, and tubers, and extracted (as from potatoes, corn, rice, etc.) as a white, glistening, granular or powdery substance, without taste or smell, and giving a very peculiar creaking sound when rubbed between the fingers. It is used as a food, in the production of commercial grape sugar, for stiffening linen in laundries, in making paste, etc.
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(uncountable, figuratively) A stiff, formal manner; formality.

noun
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A naturally abundant nutrient carbohydrate, (C6 H10 O5 )n , found chiefly in the seeds, fruits, tubers, roots, and stem pith of plants, notably in corn, potatoes, wheat, and rice, and varying widely in appearance according to source but commonly prepared as a white amorphous tasteless powder.
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Other Word Forms

Noun

Singular:
starch
Plural:
starches

Origin of starch

  • Middle English starche substance used to stiffen cloth (sense uncertain) from sterchen to stiffen from Old English stercan ster-1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Old English stearc (“stark, strong, rough"). See also stark. Compare German Stärke.

    From Wiktionary