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[muhl-uh k] /ˈmʌl ək/
(in Australasia) refuse or rubbish, as rock or earth, from a mine; muck.
poke mullock at, Australian. to ridicule.
Origin of mullock
1350-1400; orig. dialectal English; Middle English mullok, equivalent to mul dust, mold, rubbish (compare Old English myl dust; vowel perhaps from Middle English mullen; see mull4) + -ok -ock
Related forms
mullocky, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for mullock
Historical Examples
  • "We'd better get down and clear out some of the mullock," he said.

    The Black Opal

    Katharine Susannah Prichard
  • Watty threw the mullock from his hide bucket as it came up, and lowered it again.

    The Black Opal

    Katharine Susannah Prichard
  • Where were the familiar poppet heads, the heaps of mullock, and the diligently fossicked alluvial?

    Under the Red Crescent Charles S. Ryan
  • Another mile brings us to mullock Bridge, where a long causeway traverses a marshy backwater of the Haven.

    Nooks and Corners of Pembrokeshire H. Thornhill Timmins
  • And diggers came up with their flannels and moleskins yellow and heavy, and dripping with wet 'mullock'.

  • Well, aw'll mak a mullock o' thee i' two minnits if tha doesn't shut up!

  • Aw've had nowt to do wi' th' orderation o' this mullock, an' if ther's owt lost aw'll pay for it.

    Yorksher Puddin' John Hartley
British Dictionary definitions for mullock


(Austral) waste material from a mine
(dialect) a mess or muddle
(Austral, informal) poke mullock at, to ridicule
Derived Forms
mullocky, adjective
Word Origin
C14: related to Old English myl dust, Old Norse mylja to crush; see muller
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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