US /tʃɔk/ UK /tʃɔːk/
noun verb

Meanings

  1. 1
    noun

    a soft white limestone used for writing or marking

    The teacher scrawled the equation on the board in chalk.

Thesaurus

Synonyms
1 noun · a soft white limestone used... limestonecrayon
Word family
Derived forms chalkychalkiness
Related forms calciumcalcareous

Etymology

From Old English cealc ('chalk, lime'), an early borrowing from Latin calx ('limestone, lime'), itself from Greek khalix ('pebble').

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Topics

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