معنی کلمه chalk

Traditional chalkboard is abolished in new educational system!

Our teacher use eclectic color of chalks for writing on chalkboard!

I drawn a picture on the wall by a white chalk!

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

write or draw with chalk. "he chalked a message on the board"

"he chalked the bill on to the Professor's private account"

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

chalk marl =: نرم اهک رس دار

chalk it up to experience informal to accept a failure or disappointment calmly and regard it as an experience that you can learn something from

chalk up = کسب امتياز

chalk number= شماره سريال بار هوايى

Give me a piece of chalk.

He took out a piece of chalk.

Please bring me two pieces of chalk.

Take this piece of chalk and write on the blackboard.

white limestone; object which is made of limestone (or something which resembles limestone) and is used for writing on blackboards or slates

he has chalked up another success: ACHIEVE, attain, accomplish,

gain, earn, win, succeed in making, make, get, obtain, notch up, rack up.

I forgot completely—chalk it up to age: ATTRIBUTE, assign, ascribe, put down

On both these maps the hills are printed in grey chalk.