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See also: Clinker


English Wikipedia has an article on:
clinker brick

Alternative forms[edit]


Etymology 1[edit]

From Dutch klinkaerd, later klinker, from klinken (to ring, resound).


clinker (countable and uncountable, plural clinkers)

  1. A very hard brick used for paving customarily made in the Netherlands. [from 17th c.]
    • 1938, Xavier Herbert, chapter XXXII, in Capricornia[1], New York: D. Appleton-Century, published 1943, page 581:
      She left the road at the little shed where he whom she still regarded as her father used to keep his tricycle, and walked up the clinker path towards the house.
  2. A mass of bricks fused together by intense heat. [from 17th c.]
  3. Slag or ash produced by intense heat in a furnace, kiln or boiler that forms a hard residue upon cooling. [from 18th c.]
    • 1942 July-August, Philip Spencer, “On the footplate in Egypt”, in Railway Magazine, page 208:
      The coal was terrible stuff—Indian, Abdul told me. The "dart" was used often and I saw some monster clinkers.
    • 1944, Emily Carr, “Dew and Alarm Clocks”, in The House of All Sorts:
      Cold and grim sat that malevolent brute the furnace, greedy, bottomless—its grate bars clenched over clinkers which no shaker could dislodge.
  4. An intermediate product in the manufacture of Portland cement, obtained by sintering limestone and alumino-silicate materials such as clay into nodules in a cement kiln.
  5. Hardened volcanic lava. [from 19th c.]
  6. A scum of oxide of iron formed in forging. [from 19th c.]
Derived terms[edit]


clinker (third-person singular simple present clinkers, present participle clinkering, simple past and past participle clinkered)

  1. (transitive, intransitive) To convert or be converted into clinker.
    • 1923, United States Geological Survey, Bulletin 748, page 125:
      This burning has baked and clinkered the adjacent strata, producing a very resistant formation, which rises with conspicuous abruptness from the flat terrace underlain by the soft Lebo shale member.
    • 1981, David W. Schultz, Municipal solid waste, resource recovery: Proceedings of the seventh annual research symposium at Philadelphia, Pennsylvania, March 16-18:
      The use of coal with a low ash fusion temperature (1204°C, or 2200°F) caused frequent clinkering on the grate during initial tests. The clinkering stopped when the coal was replaced with one having a higher fusion temperature []

Etymology 2[edit]

From clink +‎ -er.


clinker (plural clinkers)

  1. Someone or something that clinks.
  2. (in the plural) fetters.

Etymology 3[edit]

From clincher.


clinker (uncountable)

  1. (nautical, chiefly attributive) A style of boatbuilding using overlapping planks.
    clinker planking; a clinker dinghy
Derived terms[edit]




clinker m (plural clinkers)

  1. clinker