Form of limestone. This sedimentary rock is composed of the shells and skeletons of marine microorganisms.

A porous marine limestone composed of fine-grained remains of microorganisms with calcite shells, coccolithophores, such as the White Cliffs of Dover (UK). The Austin Chalk of the US Gulf coast is a p [..]

A variety of limestone made up in part of biochemically derived calcite, in form of skeletons or skeletal fragments of microscopic oceanic plants and animals mixed with fine-grained calcite deposits of biochemical or inorganic-chemical origin.

1570s, "to mix with chalk;" 1590s as "to mark with chalk," from chalk (n.). Related: Chalked; chalking. Old English had cealcian "to whiten." Certain chalk marks on shipp [..]

White, brittle form of limestone mostly composed of decomposed organic shells.

a soft mineral. Also called limestone and calcium carbonate.

The term 'chalk', when applied to an instrument for drawing, is used loosely to describe various natural substances formed into sticks for the purpose of drawing or writing. White chalk is l [..]

Chalk is a soft powdery white or off-white writing or drawing material in crayon form, generally used on a blackboard or other dark surface

a soft whitish calcite write, draw, or trace with chalk a pure flat white with little reflectance methamphetamine: an amphetamine derivative (trade name Methedrine) used in the form of a crystalline h [..]

The favorite in the game. People said to be "chalk" bettors typically bet the favorite.

A favorite, usually a heavy favorite.

a soft white stone which can be made into sticks for writing on the blackboard

a porous, sedimentary rock formed mostly from the skeletal remains of marine organisms. Bedding planes and joints increase the permeability. It is relatively soft but, when uplifted, can maintain an u [..]

A term used to describe a point spread favorite

Group of personnel grouped together for travel

krayd

For a woman to dream of chalking her face, denotes that she will scheme to obtain admirers. To dream of using chalk on a board, you will attain public honors, unless it is the blackboard; then it indicates ill luck. To hold hands full of chalk, disappointment is foretold.   

Line

Used to mark fabric pleats, darts, diamonds, buttonholes, and other cutting or constructing lines and designs.

a term for calcium carbonate, used in brewing dark beers.

A variety of limestone made up in part of biochemically derived calcite, in form of skeletons or skeletal fragments of microscopic oceanic plants and animals mixed with fine-grained calcite deposits o [..]

Wagering favorite in a race. Dates from the days when on-track bookmakers would write current odds on a chalkboard.

a soft, light-coloured, fine-grained limestone

Demonstrative evidence produced before a fact finder are admitted as chalks. It can be drawings, sketches or models referred to by a witness. Chalks are used to illustrate testimony but they are not e [..]

(n) a soft whitish calcite(n) a pure flat white with little reflectance(n) an amphetamine derivative (trade name Methedrine) used in the form of a crystalline hydrochloride; used as a stimulant to the [..]

A soft compact calcite, CaCO3, with varying amounts of silica, quartz, feldspar, or other mineral impurities, generally gray-white or yellow-white and derived chiefly from fossil seashells.

I’ll chalk out your path for you—i.e. lay it down or plan it out as a carpenter or ship-builder plans out his work with a piece of chalk.

Wagering favorite in a race. This saying is from the days when on-track bookies (bookmakers) wrote current odds on a chalkboard.

A phosphate used by climbers to aid grip on rockfaces.

A compound used to improve grip by absorbing sweat. It is actually gymnastics chalk, usually magnesium carbonate. Its use is controversial in some areas.

calcium carbonate, CaCO3 (carbonate of lime, cream of lime, mild calcareous earth). [Lavoisier; Priestley; T. Thomson]. Acid of chalk is carbon dioxide, CO2 (carbonic acid, fixed air) [Lavoisier] cham [..]

The favored team.

The favored team or athlete, also known as the favorite.

The favored team, athlete or horse.

A favorite.

A term for the favorite (i.e. the most likely to win) in a game or sporting event.

favorite team, athlete, or horse

n. "chalk," s.v. chalk sb. OED. KEY: chalk@n

n 5 chalk 5

Favorite

The Favorite.

The favorite.

Chalk is a soft, white, porous, sedimentary rock composed primarily of calcium carbonate. It is common to find flint or chert nodules (SiO2) embedded within a chalk deposit.

(Informal) The favorite or the most heavily bet contestant. The term originates from the days when the odds at a racetrack were written on slates with chalk.

a soft, white, powdery limestone consisting chiefly of fossil shells of foraminifers.

A betting slang term for Favorite.

The name for white drawing material, it is called Native Chalk, when derived from calcium carbonate or limestone, and Precipitated Chalk, when made from artificial calcium carbonate. Chalks can be use [..]

Originally this term referred to chalks found in nature which were used for drawing purposes. The chalk was broken into small lumps and inserted into metal holders. This term has also come to refer to [..]

A soft white limestone formed from the skeletal remains of sea creatures. It is used as an ingredient in some paints to reduce that paints' transparency.

The favorite to win in any competition.

A favourite.

The favorite.

Betting favourite.

A term that is used to indicate the team or individual that is favored to win in a particular sporting event. Because many novice bettors like to wager on favored teams, they are often known as " [..]

The favorite in the game. People said to be “chalk” bettors typically bet the favorite.

The favored athlete, team, or wager. A “straight chalk” pick is, thus, a pick based entirely on popular opinion.

White stuff (magnesium carbonate, in fact) intended to keep hands dry, though "to keep holds white" sometimes seems like a more realistic description. Not the same as teachers' chalk [..]

Old English cealc "chalk, lime, plaster; pebble," a West Germanic borrowing from Latin calx (2) "limestone, lime (crushed limestone), small stone," from Greek khalix "small pe [..]