Meaning & use

rock chunk

noun·Everyday

Last updated

UK/ˈrɒk tʃʌŋk/
US/ˈrɑːk tʃʌŋk/

Meanings

  1. nouncountable

    A rough, solid piece of stone, usually one that has broken off a larger mass.

    Grammar: Countable: say a rock chunk or rock chunks, and use chunk of rock when you want to mention the material.

    Patterns

    • a rock chunk
    • rock chunks
    • a rock chunk from something

    A rock chunk the size of a fist had fallen onto the path.

    The drill brought up rock chunks from deep under the seabed.

    He kicked a loose rock chunk down the slope and watched it bounce.

  2. nouncountableinformal

    A large, awkward lump of stone seen as an obstacle or as heavy material to move.

    Grammar: Often used with verbs of moving or removing, and commonly in the plural for several pieces.

    Patterns

    • clear rock chunks from something
    • haul rock chunks
    • a big rock chunk

    Workers spent the morning clearing rock chunks from the tunnel entrance.

    The truck could not carry another rock chunk up the steep road.

    After the blast, rock chunks blocked the whole width of the track.

Word forms

pluralrock chunks

Common combinations

a chunk of rock
A chunk of rock broke loose and rolled toward the road.
a large rock chunk
A large rock chunk was wedged between the two boulders.
loose rock chunks
Loose rock chunks rattled down the cliff after the rain.
break off a rock chunk
The hammer broke off a rock chunk that fitted in my hand.
clear away rock chunks
Crews cleared away rock chunks before the race could start.

Synonyms and how they differ

boulder
Use boulder for a very large, rounded rock; a rock chunk can be any size and is usually rougher and more freshly broken.
stone
Stone is the everyday general word for the material or a small piece; rock chunk suggests a bigger, heavier, irregular lump.
fragment
Fragment is more formal and stresses that the piece came off something larger, while rock chunk simply describes the lump itself.

Word family

rocky adjective
Full of or covered with rocks.
chunky adjective
Thick and solid in shape, like a chunk.

Commonly confused: rock chunk or rocky chunk?

rock chunk vs rocky chunk

Rocky is an adjective meaning full of rocks, so a rocky chunk describes something made of or covered with rock, not a single lump.

Practice

Which sentence uses 'rock chunk' correctly?

Make it your own

Write a sentence using “rock chunk”, then check it and compare it with the examples above.

Your sentence stays on this page and is not sent anywhere.

Explore more words