chalk
IPA: tʃˈɑk
noun
- (uncountable) A soft, white, powdery limestone (calcium carbonate, CaCO₃).
- (countable) A piece of chalk, or nowadays processed compressed gypsum (calcium sulfate, CaSO₄), that is used for drawing and for writing on a blackboard (chalkboard).
- Tailor's chalk.
- (uncountable, climbing, gymnastics) A white powdery substance used to prevent hands slipping from holds when climbing, or losing grip in weight-lifting or gymnastics, sometimes but not always limestone-chalk, often magnesium carbonate (MgCO₃).
- (US, military, countable) A platoon-sized group of airborne soldiers.
- (US, sports, chiefly basketball, horse racing) The favorite in a sporting event.
- (US, sports, chiefly basketball) The prediction that there will be no upsets, and the favored competitor will win.
- A surname.
- A suburban village attached to the east side of Gravesend, Gravesham borough, Kent, England (OS grid ref TQ6773).
verb
- To apply chalk to anything, such as the tip of a billiard cue.
- To record something, as on a blackboard, using chalk.
- To use powdered chalk to mark the lines on a playing field.
- (figuratively) To record a score or event, as if on a chalkboard.
- To manure (land) with chalk.
- To make white, as if with chalk; to make pale; to bleach.
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Examples of "chalk" in Sentences
- Anyone can scrawl words on the chalk board.
- The teacher wrote letters on the chalk board.
- I just heard the familiar staccato clacking of chalk.
- It really is finishing the motion of applying the chalk.
- Nobody thinks that logicians 'assert' the chalk on the board.
- The predominant geology of the area is chalk and London clay.
- Explorations of the Permian of Texas and the chalk of Kansas, 1918.
- Sanguine in this context refers to chalk in a variety of reddish colors.
- The beach rock is now known as the McKown Formation of the Austin Chalk.
- The scarps formed by the Chalk are referred to as the margins of the basin.