paste

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paste

1. a mixture or material of a soft or malleable consistency, such as toothpaste
2. the combined ingredients of porcelain

Paste

 

size, a sticky solution prepared by heating an aqueous suspension of potato starch (to 70 °-75°C) or cornstarch (to 80°-85°C). Paste is used to glue paper to cardboard, wood, and other materials, in house painting and paper hanging, and in bookbinding. For finishing textiles, paste should contain 6–10 percent starch.


Paste

 

(in medicine), a doughlike ointment that contains a minimum of 25 percent powdered components. Pastes have adsorptive and drying properties and are used as anti-inflammatories.

Protective pastes shield the skin from harmful chemicals or physical irritants, for example, organic solvents; aqueous solutions of acids, salts, and bases; and ultraviolet rays. All protective pastes must meet specified requirements. They cannot contain substances that irritate, sensitize, or disturb the physiological functions of the skin, and they must be easy to apply and remain firmly in place, during motion. Ordinary washing, without the use of special solvents, should be sufficient for their removal, and they must be insoluble in substances that harm the skin. Protective pastes are manufactured from starch or soap bases to which other compounds are added, for example, fats, oils, or organosilicon polymers, depending on use.


Paste

 

a multicomponent mixture or a pure substance with viscous, plastic properties or with elastic, viscous, and plastic properties. Pastes retain their shape but under stress flow as viscous liquids.

A distinction is made between homogeneous pastes, which consist of a single phase, and heterogeneous pastes, which consist of two or more phases. Heterogeneous pastes, which are concentrated, disperse systems in a liquid dispersion medium, are the most common. They are usually obtained by dispersing solids in an appropriate wetting agent. In many cases, surfactants are added to facilitate dispersion and to impart desired properties to the paste, for example, homogeneity and enhanced or reduced plasticity. Pastes are also prepared by simply mixing a powder with a liquid. The dispersed phase constitutes up to 70–80 percent of the matter in a paste, and the contacts between the particles of the dispersed phase are of the coagulation type (seeDISPERSE STRUCTURE).

Many building materials and paints are used in the form of pastes, for example, mastics, putties, plasters, spackling compounds, and primers. Other substances that are supplied as pastes are polishes and abrasives, molding compounds in the production of ceramic and plastic parts, pharmaceutical and cosmetic preparations, food products, and inks for ball-point pens. Pastes are easily transported and readily modified.

paste

[pāst]
(electricity)
In batteries, the medium in the form of a paste or jelly, containing an electrolyte; it is positioned adjacent to the negative electrode of a dry cell; in an electrolytic cell, the paste serves as one of the conducting plates.
(materials)
An adhesive mixture with a characteristic plastic consistency, a high order of yield value, and a low bond strength; for example, a paste prepared by heating a starch and water mixture, then cooling the hydrolyzed product.
(metallurgy)
Finely divided particles of ferromagnetic material in paste form used in the wet method of magnetic particle inspection.

paste

paste

To insert selected data into the application at the current cursor location. A paste operation must be preceded by a copy operation, which places the selected data into the clipboard. See cut and paste and clipboard.
References in classic literature ?
From the chest of drawers that had crossed the plains she drew forth another of her several precious heirloom--a scrap-book of her mother's in which was pasted much of the fugitive newspaper verse of pioneer California days.
Then small detached labels, with the same words printed upon them, were put into her hands; and she soon observed that they were similar to the ones pasted on the articles.
Mr Parkes, who was possibly a hard-sleeper himself, replied with some disdain, 'Not a bit on it;' and directed his eyes towards a handbill pasted over the chimney-piece, which was decorated at the top with a woodcut representing a youth of tender years running away very fast, with a bundle over his shoulder at the end of a stick, and--to carry out the idea--a finger-post and a milestone beside him.
From the time he had pasted it up with his own hands, Mr Willet had never by word or sign alluded to the subject, or encouraged any one else to do so.
Oliver was ordered into instant confinement; and a bill was next morning pasted on the outside of the gate, offering a reward of five pounds to anybody who would take Oliver Twist off the hands of the parish.
Therefore when they dewelope an intention of parting company from us, I shall take measures for detaining of 'em, and restoring 'em to their friends, who I dare say have had their disconsolation pasted up on every wall in London by this time.