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Chalk vs. Talc

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Chalknoun

(uncountable) A soft, white, powdery limestone.

Talcnoun

(obsolete) Originally a large range of transparent or glistening foliated minerals. Examples include mica, selenite and the hydrated magnesium silicate that the term talc generally has referred to in modern times (see below). Also an item made of such a mineral and depending for its function on the special nature of the mineral (see next). Mediaeval writers adopted the term from the Arabic.

Chalknoun

(countable) A piece of chalk, or nowadays processed compressed gypsum, that is used for drawing and for writing on a blackboard.

Talcnoun

(obsolete) A microscope slide made of a plate of mica, generally in use from the start of modern microscopy until the early nineteenth century, after which glass slides became the standard medium.

Chalknoun

Tailor's chalk.

Talcnoun

A soft mineral, composed of hydrated magnesium silicate, that has a soapy feel and a greenish, whitish, or grayish color, and usually occurs in foliated masses.

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Chalknoun

A white powdery substance used to prevent hands slipping from holds when climbing, sometimes but not always limestone-chalk.

Talcnoun

Talcum powder.

Chalknoun

A platoon-sized group of airborne soldiers.

Talcverb

(transitive) To apply talc to.

Chalknoun

The prediction that there will be no upsets, and the favored competitor will win.

Talcnoun

A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses. It is hydrous silicate of magnesia. Steatite, or soapstone, is a compact granular variety.

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Chalkverb

To apply chalk to anything, such as the tip of a billiard cue.

Talcnoun

a fine grained mineral having a soft soapy feel and consisting of hydrated magnesium silicate; used in a variety of products including talcum powder

Chalkverb

To record something, as on a blackboard, using chalk.

Talcverb

apply talcum powder to (one's body)

Chalkverb

To use powdered chalk to mark the lines on a playing field.

Talc

Talc, or talcum, is a clay mineral, composed of hydrated magnesium silicate with the chemical formula Mg3Si4O10(OH)2. Talc in powdered form, often combined with corn starch, is used as baby powder.

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Chalkverb

(figuratively) To record a score or event, as if on a chalkboard.

Chalkverb

To manure (land) with chalk.

Chalkverb

To make white, as if with chalk; to make pale; to bleach.

Chalknoun

A soft, earthy substance, of a white, grayish, or yellowish white color, consisting of calcium carbonate, and having the same composition as common limestone.

Chalknoun

Finely prepared chalk, used as a drawing implement; also, by extension, a compound, as of clay and black lead, or the like, used in the same manner. See Crayon.

Chalkverb

To rub or mark with chalk.

Chalkverb

To manure with chalk, as land.

Chalkverb

To make white, as with chalk; to make pale; to bleach.

‘Let a bleak paleness chalk the door.’;

Chalknoun

a soft whitish calcite

Chalknoun

a pure flat white with little reflectance

Chalknoun

amphetamine used in the form of a crystalline hydrochloride; used as a stimulant to the nervous system and as an appetite suppressant

Chalknoun

a piece of chalk (or similar substance) used for writing on blackboards or other surfaces

Chalkverb

write, draw, or trace with chalk

Chalknoun

a white soft earthy limestone (calcium carbonate) formed from the skeletal remains of sea creatures.

Chalknoun

a substance (calcium sulphate) that is similar to chalk, made into white or coloured sticks for writing or drawing.

Chalknoun

a series of strata consisting mainly of chalk.

Chalknoun

short for French chalk

Chalkverb

write or draw with chalk

‘he chalked a message on the board’;

Chalkverb

draw or write on (a surface) with chalk

‘blackboards chalked with Japanese phrases’;

Chalkverb

rub the tip of (a snooker cue) with chalk.

Chalkverb

charge (drinks bought in a pub or bar) to a person's account

‘he chalked the bill on to the Professor's private account’;

Chalk

Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton which had fallen to the sea floor. Chalk is common throughout Western Europe, where deposits underlie parts of France, and steep cliffs are often seen where they meet the sea in places such as the Dover cliffs on the Kent coast of the English Channel.

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Talc Illustrations

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