English

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Etymology

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From slaggy +‎ -ness.

Pronunciation

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Noun

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slagginess (uncountable)

  1. The state or condition of being slaggy (resembling or containing slag).
    • 1931, Henry Woodward, Geological magazine:
      The absence of slagginess and vesicularity in the considerable thickness exposed is also against its being a lava.
  2. (UK, Australia, New Zealand, derogatory, of a person) The condition of being slaggy, or sluttish.