plumming

== English == === Noun === plumming (uncountable) (mining) The operation of finding, by means of a mine dial (compass), the place where to sink an air shaft, or to bring an adit to the work, or to find which way the lode inclines. (photography) A plum-colored distortion of prints. ==== Derived terms ==== === Verb === plumming present participle and gerund of plum === References === “plumming”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.