(redirected from chalks)
Also found in: Dictionary, Thesaurus, Idioms, Encyclopedia, Wikipedia.

cal·ci·um car·bon·ate

an astringent, an antacid, and a calcium dietary supplement.
See also: calcite.
Synonym(s): chalk, creta
A regional term for any abuse substance consumed as a white powder, e.g., methamphetamine, amphetamine, cocaine

cal·ci·um car·bon·ate

(kalsē-ŭm kahrbŏ-nāt)
Astringent, antacid, and dietary supplement.
See also: calcite
Synonym(s): chalk.


n an abrasive agent made from compact calcite.
References in classic literature ?
I carried the lunch-basket to the top of one of the chalk bluffs, where even on the calmest days there was always a breeze.
Only when he thought of Miss Mackenzie there fell upon his mind a shadow of regret; that young lady was worthy of better things than plain John Nicholson, still known among schoolmates by the derisive name of 'Fatty'; and he felt, if he could chalk a cue, or stand at ease, with such a careless grace as Alan, he could approach the object of his sentiments with a less crushing sense of inferiority.
After a fruitless struggle to get aboard a North-Western train at Chalk Farm--the engines of the trains that had loaded in the goods yard there PLOUGHED through shrieking people, and a dozen stalwart men fought to keep the crowd from crushing the driver against his furnace--my brother emerged upon the Chalk Farm road, dodged across through a hurrying swarm of vehicles, and had the luck to be foremost in the sack of a cycle shop.
The most beautiful colours, laid on confusedly, will not give as much pleasure as the chalk outline of a portrait.
Thus it was that Charles, King of France, was allowed to seize Italy with chalk in hand;[*] and he who told us that our sins were the cause of it told the truth, but they were not the sins he imagined, but those which I have related.
At the back of the estrade, and attached to a moveable partition dividing this schoolroom from another beyond, was a large tableau of wood painted black and varnished; a thick crayon of white chalk lay on my desk for the convenience of elucidating any grammatical or verbal obscurity which might occur in my lessons by writing it upon the tableau; a wet sponge appeared beside the chalk, to enable me to efface the marks when they had served the purpose intended.
That clay and chalk mixture which I see upon your toe caps is quite distinctive.
Then the wolf went away to a shopkeeper and bought himself a great lump of chalk, ate this and made his voice soft with it.
And in the bottom o' the carriage they be to put a noggin o' rum in a small bottle, and chalk it up to my account.
Chalk in the school-room, chalk all over the country-side, chalk in the milk.
He seemed to be working hard, with the perspiration standing on his forehead, and had a piece of chalk by him, with which, as he put each separate package or bundle down, he made a crooked mark on the panelling of the wall.
If a disk stops on a chalk line, it does not count anything.