chalk

Definition

• n. a soft whitish calcite
• n. a pure flat white with little reflectance
• n. a piece of calcite or a similar substance, usually in the shape of a crayon, that is used to write or draw on blackboards or other flat surfaces
• v. write, draw, or trace with chalk

Word forms

Past tense

chalked

Past participle

chalked

Present participle

chalking

Third person singular

chalks

Example sentences

1. n.

   The teacher wrote the lesson on the blackboard with a piece of chalk.

2. vt.

   Please chalk the important dates on the calendar so we don't forget.