# filtering

Pronunciation: say "FIL-tuh-ring" /ˈfɪltəɹɪŋ/

## Noun

1. The process of passing a liquid or gas through a filter to remove unwanted material.
   - Simple: The act of passing a liquid or gas through a material to take out unwanted bits.
   - _Filtering of the wastewater happens in three stages at the treatment plant._
   - _The coffee's flavor depends heavily on the filtering during brewing._
3. The material that has passed through a filter.
   - Simple: The liquid or gas that has passed through a filter.
   - _The filtering from the first pass still contained fine sediment._
   - _Chemists analyzed the filtering to confirm the impurities were removed._

## Verb

2. Present participle and gerund of filter. — present participle and gerund of filter
   - Simple: Present participle of filter. Use this -ing form when the action is happening right now.
   - _The plant is filtering thousands of gallons of water each hour._
   - _Filtering out spam, the software flags suspicious messages for review._

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