clinker

name

1. A surname.

noun

Etymology: From clincher.

1. A style of boatbuilding using overlapping planks.

   “clinker planking; a clinker dinghy”

verb

Etymology: From Dutch klinkaerd, later klinker, from klinken (“to ring, resound”).

1. To convert or be converted into clinker.

   “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.”

   “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 […]”