# plumming

Pronunciation: say "PLUM-ing" /ˈplʌmɪŋ/

## Verb

1. Present participle and gerund of plum. — present participle and gerund of plum
   - Simple: The -ing form of plum. Use it after am, is, are, was or were, or to name the action.

## Noun

2. Compass work in a mine that finds where to sink an air shaft, where to drive a tunnel to the workings, or which way the lode tilts.
   - Simple: Using a mining compass to find where to dig a shaft or tunnel, and which way the ore runs.
   - _Careful plumming showed the captain exactly where to sink the air shaft._
   - _After a day of plumming, the surveyor marked the line for the new adit._
3. A plum-colored discoloration that distorts the appearance of photographic prints.
   - Simple: A purple color fault that can spoil photo prints.
   - _Years of poor storage left visible plumming across the family portraits._
   - _The technician spotted plumming in the prints and traced it to exhausted fixer._

Source: DictionaryAI, https://dictionaryai.com/define/plumming (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).